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Pointy, hair-like plant structure
An awn is a hairy or bristle-like growth on a plant. On the seeds of grasses such as barley or rye, they form foxtails which assist seed dispersal by
Awn_(botany)
Topics referred to by the same term
tracks open windows Awn may refer to: Awn (botany), on a plant, a hair or bristle-like appendage (i.e., an awned appendage) Awn hair (mammal), a type
Awn
Protective casings of the seeds of cereal grain
provided by filtering the water extracted from an underground aquifer. Awn (botany) Bran Biomass Combine harvester Rice hulls Rice huller Sifting Daniel
Chaff
botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well
Glossary_of_botanical_terms
Genus of grasses
of plants in the grass family. Aristida is distinguished by having three awns (bristles) on each lemma of each floret. The genus includes about 300 species
Aristida
Any of the separate parts of the calyx of a flower (excluding the bracts), usually green
together (gamosepalous). Often, the sepals are much reduced, appearing somewhat awn-like, or as scales, teeth, or ridges. Most often such structures protrude
Sepal
Part of a spike inflorescence of a grass or sedge
A spikelet, in botany, describes the typical arrangement of the inflorescences of grasses, sedges and some other monocots. Each spikelet has one or more
Spikelet
Topics referred to by the same term
refer to: Arista (insect anatomy), part of an insect antenna Arista (botany), an awn This disambiguation page lists biology articles associated with the
Aristae
Feathery part of a seed of a plant in the family Asteraceae
Asteraceae, the pappus may be composed of bristles (sometimes feathery), awns, scales, or may be absent, and in some species, is too small to see without
Pappus_(botany)
Plant species in the geranium family
mechanism. The awn of each seed, once on the ground, responds to the humidity of the environment and changes its shape accordingly. The awn coils under dehydration
Erodium_cicutarium
Grain-bearing part of a cereal plant
Duckworth & Co. Ltd. p. 121. Swartz, Delbert (1971). Collegiate Dictionary of Botany. New York: The Ronald Press Company. p. 162. Lerner, Rosie. "Corn - Ears"
Ear_(botany)
Species of grass
Mediterranean Basin, and temperate Asia. It is valued for its elegant, feathery awns that create a shimmering effect in the wind. The plant typically grows to
Stipa_barbata
Species of plant
spikelets. Each spikelet is a flat fruit with a rough, bristly lemma without an awn, and no glumes. Some of the spikelet branches develop within the sheaths
Leersia_oryzoides
Phenomenon of attracting and holding water molecules
hygroscopic appendages (awns) that bend with changes in humidity, enabling them to disperse over the ground, termed herpochory. The awn will thrust (or twist)
Hygroscopy
Species of grass
Manual of Botany (Eighth (Centennial) - Illustrated ed.). D. Van Nostrand Company. p. 176. ISBN 0-442-22250-5. "Aristida basiramea (Forked Three-awn)". Minnesota
Aristida_basiramea
Species of grass
in dense stands. The pointed fruit is purple-tinged when young and has an awn up to 10 centimeters long which is twisted and bent twice. The shape of the
Nassella_pulchra
Species of grass
4 in) broad, with densely packed spikelets, the glumes with a 1–2 mm long awn. It flowers from June until August. The stamens are purple. Timothy can be
Timothy_(grass)
Species of grass
one flowered spikelets, two subequal glumes, and lemma with a dorsal awn. The awn is longer than the glum and sharply bent, and longer than the tip of
Calamagrostis_purpurascens
Species of flowering plant
inches) across. Sepals are green, up to 7 mm (0.3 inches) long, tipped with awns. Petals are white, slightly long than the sepals. photograph of isotype of
Geranium_vulcanicola
Species of flowering plant
base, ovate, truncate, minutely 3-5 toothed, or else with a short dorsal awn inserted just below the apex; paler, minutely ciliated; rachilla silky; ladicules
Deschampsia_gracillima
Species of flowering plant
0 mm (0.059–0.079 in) long and 1.75–2.4 mm (0.069–0.094 in) wide with an awn up to 12.5 mm (0.49 in) long. The petals are pink, deep pink, mauve-pink
Calytrix_desolata
Species of grass
joints of the rachilla are as half as long as the flowering scales. The awn of the lemma barely exceeds its truncate lobes. The grass flowers from August
Triplasis_purpurea
Species of flowering plant
to 10) mm long. A pappus is missing or it consists only of two to three awn-like, 1-3 mm large bristles. The very conspicuous cup-shaped inflorescences
Cosmos_bipinnatus
Genus of flowering plants in the daisy family
surrounding the cypselae, and are keeled with the apices abruptly constricted to awn-like tips. The ray florets number 8–21 and the corollas are dark purple to
Echinacea
Species of grass
feet) tall. It can often be distinguished from other bunchgrasses by the awns on its seedheads which stand out at an angle nearly 90 degrees from the stem
Pseudoroegneria_spicata
Species of plant
comprise 3–4(–6) fertile florets. The florets have lobed apexes, and a single awn. The florets contain three obvious rows of hairs, one on the callus, and
Rytidosperma_gracile
Species of grass
is 1 to 2 cm (1⁄2 to 3⁄4 in) long, not counting the sharp, hard, curling awn which may exceed 3 cm (1+1⁄4 in) in length. Many forms and varieties have
Elymus_canadensis
Species of grass
long. The lemmas are scabrous or nearly glabrous and lack awns or possess very short awns 2 mm (0.079 in) in length. The lemmas are 11–20 mm (0.43–0
Bromus_catharticus
Species of plant
with two opposite lanceolate leaflets joined at the base, with a deciduous awn between them, each leaflet 7 to 18 mm (1⁄4 to 11⁄16 in) long and 4 to 8.5 mm
Larrea_tridentata
Cereal grass and grain
in Europe around 3000 years ago. Oat seed dispersal is facilitated by two awns that are part of each seed head. After falling to the ground, these long
Oat
Species of flowering plant
(0.020 in) at the base, the lobes 1.5–3 mm (0.059–0.118 in) long with an awn up to 29 mm (1.1 in) long. The petals are pink to magenta with a yellow base
Calytrix_brevifolia
Species of grass
lemmas are unequal, with the lower having a long tooth on each side of the awn and the upper tapering to the beak. The scabrous lemmas are strongly ciliate
Bromus_rigidus
Endemic grass of New Zealand
that lie closely against the rachis, which contain 4-10 florets with long awns. A. solandri and its most similar relative, A. scabra, can be distinguished
Anthosachne_solandri
Species of plant
lemmas are pubescent and usually purple-suffused. The lemmas have a 4-6 mm awn. Bromus lithobius is part of Bromus section Ceratochloa, which are separated
Bromus_lithobius
Genus of grass cultivated for grain
(2016). "Awns reduce grain number to increase grain size and harvestable yield in irrigated and rainfed spring wheat". Journal of Experimental Botany. 67 (9):
Wheat
Species in the Asteraceae family
inflorescences are often hairy, achenes are wedge-shaped with 2-4 retrorsed barbed awns. Leaves are coarsely toothed along the margin, often widest at the base and
Bidens_amplissima
Species of grass
its long, thin glumes that narrow to a point, and are tipped with a short awn. R. viride has 2n=24 chromosomes. Rytidosperma viride is a host of the rust
Rytidosperma_viride
Dry spikelet or spikelet cluster of some grasses
lemma tip. Retrorse barbs can be found on the callus, the lemmas, and the awns. The spikelets or spikelet clusters of foxtails are adapted for animal dispersal:
Foxtail_(diaspore)
Species of grass
The typically pubescent lemmas are 2–3.5 mm (0.079–0.138 in) long, and the awns are two to four times as long. The grass flowers from May to June. Vulpia
Vulpia_elliotea
Family of flowering plants commonly known as grasses
ISBN 978-0-12-394808-3. Jacobs, Surrey W. L. (2008). Grasses of New South Wales. Botany, University of New England. p. 165. ISBN 978-1-921208-22-5. Finlayson, C
Poaceae
Species of flowering plant
involucral bracts: an inner ring which is narrow and blunt-tipped with a spiny awn that arises just below the tip; a middle ring of tiny bracts which are easily
Helminthotheca_echioides
Species of plant
green at tips, occasionally reddish or purplish. The lemmas have a 3.5-9mm awn. Bromus cebadilla is part of Bromus section Ceratochloa, which are separated
Bromus_cebadilla
Species of plant
12 mm (0.5 in) long and 1.4 mm (0.06 in) wide, topped with 2 sharp awns, with each awn bearing backward-pointing barbs. Bidens reptans is native to the
Bidens_reptans
Species of plant
are forked into two lobes, with an awn between the lobes. On R. carphoides, the lemma lobes are shorter than the awns. Rytidosperma carphoides has two varieties
Rytidosperma_carphoides
Biological term
wet climates or environments, have a so-called undercoat of down hair plus awn hair that usually lies hidden beneath the outer coat of guard hairs and may
Felted
Species of plant
lemmas and geniculate awns. L. tenuis is easily separated from most New Zealand Lachnagrostis by its hairless lemmas and geniculate awns, which rules out all
Lachnagrostis_tenuis
Genus of ferns
Marattiaceae in only having one frond at a time (occasionally two), bearing awns along veins, and having stalked synangia (clusters of sporangia that have
Eupodium
Genus of grasses
are borne in an open or somewhat open panicle. Each has one flower. The awn is twisted and bent once or twice. Species Ptilagrostis alpina - Russia (Khabarovsk
Ptilagrostis
Australian agrostologist, botanist, and author
Tjilpi Wattle Sauropus latzii - a tropical herb. Aristida latzii - Rock Three-awn Sporobolus latzii - Wakaya Desert dropseed Panicum latzii - Latz's panicum
Peter_Kenneth_Latz
Species of flowering plant
mostly glabrous on the inner surface, 5.5–10 mm (0.22–0.39 in) long with an awn 3.5–6 mm (0.14–0.24 in) long. The five petals are pale to medium yellow,
Calytrix_watsonii
Species of plant
ring, the hairs of which normally exceed the twisted part of the central awn. Lateral lobes erect or slightly spreading, 7 mm (0.28 in) to 11 mm (0.43 in)
Rytidosperma_erianthum
Species of grass
long, with three short awns (bristles) at the tip, and the sterile floret has a lemma about 2 mm (0.08 in) long with three awns about 5 mm (0.2 in) long
Bouteloua_gracilis
Species of grass-like plant
of this species are aristate in shape, with the glumes and mucros (i.e. awns) usually over half the length of the spikelet. Other closely related species
Schoenus_limosus
Species of grass
scabrous lemmas are prominently nerved and 10–15 mm (0.39–0.59 in) long, with awns 5–6 mm (0.20–0.24 in) long. The anthers are 4–6 mm (0.16–0.24 in) long. B
Bromus_erectus
Species of flowering plant
end towards the base, 1.5–2.25 mm (0.059–0.089 in) long and wide, with an awn up to 15 mm (0.59 in) long. The petals are yellow, egg-shaped to narrowly
Calytrix_drummondii
Species of grass
16 in) long and are mostly glabrous though sericeous towards their base. The awns are 2–6 mm (0.079–0.236 in) long. The palea has a rounded tip and the anthers
Bromus_latiglumis
Genus of flowering plants
described as members of Helianthus, based on having a pappus of two caducous awns. When it was recognized that they were not part of the exclusively North
Pappobolus
Species of grass
lemmas are hairier towards their edges and have five to seven veins. The awns are about the same length, 1.2–2.3 cm (0.47–0.91 in) long, and curve slightly
Bromus_madritensis
Species of grass-like plant
shiny and relatively long prophylls of S. prophyllus. The prophyll mucros (awns) of S. prophyllus are relatively long (>3.0 mm) compared to the relatively
Schoenus_calceolus
American botanist
ecological functions and the convergent evolution of grass awns. American Journal of Botany. 109 (9): 1331–1345. doi:10.1002/ajb2.16060. Yu, Y.; Hu, H
Elizabeth_Anne_Kellogg
Species of plant
and abiotic stresses: from genes to the field". Journal of Experimental Botany. 63 (10). Oxford University Press: 3523–3543. doi:10.1093/jxb/ers100. ISSN 0022-0957
Oryza_sativa
Genus of flowering plants, the sunflowers
sterile, and by the presence on the disk flowers of a pappus that is of two awn-like scales that are caducous (that is, easily detached and falling at maturity)
Helianthus
Species of aquatic plant
shape. The pappi consist of up to 4 erect awns 2–5 mm (0.079–0.197 in) long. The margins of the fruit and the awns are retrorsely barbed. Bidens hyperborea
Bidens_hyperborea
Species of grass
nerves. The margins are translucent and end in lengthy and acute teeth. The awns are straight and 7–10 mm (0.28–0.39 in) long. The anthers are approximately
Bromus_arvensis
Species of grass
roll slightly inwards at maturity, and the twisted and strongly divergent awns are 8–12 mm (0.31–0.47 in) long. The palea is distinctly shorter that its
Bromus_japonicus
Species of plant
spikelets arranged in drooping triangular shaped clusters, and large twisted awns. Andropogon virginicus is very adaptable and tolerant to fires. The dryness
Andropogon_virginicus
Species of grass
contain 7-12 florets with short awns. Easily distinguished from other Anthosachne in Aotearoa/New Zealand by its awns which are usually short and straight
Anthosachne_kingiana
Species of grass
about 1 mm (0.039 in) and hispid, with hairs up to 6 mm (0.24 in) long. Its awns are 1.3–2 cm (0.51–0.79 in) long, and its paleas are 7–12 mm (0.28–0.47 in)
Brachyelytrum_erectum
Tribe of grasses
the lemmas (the external bract) have either a sharp point or a terminal awn (long bristle). The tribe includes 32 genera: Achnatherum P.Beauv. (syn.
Stipeae
Type of biological mimicry in plants
characteristics which help in natural dispersal have become vestigial, including the awns which allow them to self bury. Rye is a secondary crop, originally being
Vavilovian_mimicry
Cereal grain
arranged in a distinctive herringbone pattern. Each spikelet has a long thin awn (to 160 mm (6.3 in) long), making the ears look tufted. The spikelets are
Barley
Species of grass
strongly curved, the longer of which measure 3–5 mm (0.12–0.20 in) long. The awns measure 1–2 mm (0.039–0.079 in). The paleas are 3–5 mm (0.12–0.20 in) long
Festuca_saximontana
Species of flowering plant
and have a small cup-shaped hypanthium. The 5 sepals are characterized by awns 1.5–4 mm (0.059–0.157 in) long. The fruit is a small, narrowly ovate utricle
Cardionema_ramosissimum
Genus of flowering plants
anthers are cylindrical to broadly elliptic in shape, with or without an awn-like appendage. It has a very short style and the stigma is capitulate and
Horaninovia
Genus of berry-producing shrubs in the heath family
corollas. Stamens have anthers with extended tube-like structures called "awns" through which pollen falls when mature. Inflorescences can be axillary or
Vaccinium
Species of flowering plant
opposite from each other. The flower produces seeds equipped with barbed awns that attach easily to animals or clothing. Allowing the seeds to disperse
Bidens_torta
Species of flowering plant
1 mm (0.024–0.043 in) long and 0.2–8 mm (0.0079–0.3150 in) wide and lack awns. The petals are white, about 6 mm (0.24 in) long and 1.5–1.7 mm (0.059–0
Calytrix_cravenii
Species of flowering plant
25 mm (0.0079–0.0098 in) long and 0.3–0.4 mm (0.012–0.016 in) wide without awns. The petals are purple, purplish-mauve or pink and there are 20 to 25 stamens
Calytrix_sylvana
Species of grass
with a crown whose margin is long but sparsely ciliate, and ending in an awn about 7 mm long, twisted only at the very base, glabrous. — Ecuador, Tulcán
Stipa_tulcanensis
Species of grass
densely hairy lemmas are oblong to elliptical in shape, and have straight awns 1–3 mm (0.039–0.118 in) long. The oblong and flat palea is slightly shorter
Bromus_kalmii
Species of grass
The shortly hairy lemmas are 8–13 mm (0.31–0.51 in) long and have straight awns 5–8 mm (0.20–0.31 in) long. The palea is densely hairy and has a flat tip
Bromus_nottowayanus
Genus of grasses
spikelets each up to 1.2 centimeters long. Some spikelets have one or three awns, and some have none. Genus Aegilops has played an important role in the taxonomy
Aegilops
Genus of flowering plants
to obovoid in shape, and black or gray in color. The pappus may present awns or scales, or infrequently neither. The genus is mostly cross-pollinated
Lasthenia
Philosophical texts attributed to Hermes Trismegistus
"Sirr al-Khalīqa and its influence in the Arabic and Persianate world: 'Awn b. al-Mundhir's Commentary and its unknown Persian Translation". Al-Qantara
Hermetica
Species of fungus
blighted into a bleached tan appearance, and the grain within it atrophies. The awn will become deformed, twisted and curve in a downward direction. Infections
Gibberella_zeae
Species of cycad
with a 2.5 centimetres (0.98 in) wide triangular base and a bristle or awn at the tip. The cataphylls are brown-yellowish and covered with hairs. There
Zamia_stenophyllidia
Species of fungus
the leaf blades but occasionally occur also on leaf sheaths, peduncles and awns. Extensive chlorosis is often associated with the uredinia. Telia are mostly
Puccinia_coronata
Species of grass
caryopses, similar to other grain-like grasses, which may or may not contain awns depending on the subspecies. Its flowering and fruiting time is September
Arthraxon_hispidus
Genus of flowering plants
usually persistent (don't fall off) compared to the pappus of two deciduous awns (and sometimes a few scales) in Helianthus, and Phoebanthus is also characterized
Phoebanthus
Species of flowering plant
strongly flattened, covered with small hairs, and sometimes with a pappus of 2 awns up to 2 mm long (unlike some of the related species). American botanist Daniel
Enceliopsis_argophylla
Evolutionary mechanism
irritants or poisons. Plant structural features such as spines, thorns and awns reduce feeding by large ungulate herbivores (e.g. kudu, impala, and goats)
Plant defense against herbivory
Plant_defense_against_herbivory
Genus of fossil mosses
aristatus. The specific name aristatus was chosen in reference to the "long, awn-like leaf apex" morphology. As with the other two species, placement of D
Ditrichites
Species of grass
differs in having more persistent spikelets, and lemmas with subterminal awns. A. stolonifera is native to Eurasia and North Africa (Algeria, Morocco and
Agrostis_stolonifera
Species of grass
(2.4–3.9 in) long panicle and the species has 2–3.5 cm (0.8–1.4 in) long awns extending from the lemmas in the spikelets. With its clusters of large spikelets
Sartidia_perrieri
Genus of grasses
wheat or rye. The lemmas have long awns and the glumes have shorter ones, giving the seed head a layered look. As the awns dry, they twist and spread in all
Taeniatherum
Fungal disease (leaf blight) of wheat
environmental conditions, infection can spread to the leaf sheath, stem, awns, and glumes. Spike infections lead to infected seed. These seeds may exhibit
Alternaria_triticina
Plant species in the veronica family
but in others there are less 50 plants in a locality. It grows with three-awn grass, needle grass, matchweed, and black sagebrush. The conservation organization
Penstemon_franklinii
Genus of grasses
glumes have prominent stiff hairs. The spikelets are paired and have no awns. The genus can be distinguished from similar forest grass species in Acroceras
Chasechloa
Movement or transport of seeds away from the parent plant
where the seed crawls by means of trichomes or hygroscopic appendages (awns) and changes in humidity. Barochory or the plant use of gravity for dispersal
Seed_dispersal
Species of flowering plant
to act like parachutes when dry and enable distribution by the wind. The awns of the mericarps coil when drying and uncoil when getting moist. These motions
Pelargonium_triste
AWN BOTANY
AWN BOTANY
Female
Polish
Feminine form of Polish WacÅ‚aw, WACÅAWA means "more glory."
Female
Polish
Feminine form of Polish StanisÅ‚aw, STANISÅAWA means "glorious government."
Female
Polish
Feminine form of Polish JarosÅ‚aw, JAROSÅAWA means "spring glory."
Female
English
English name derived from the vocabulary word, DAWN means "dawn."
Female
English
According to Ayn Rand, this name is an adaptation of the Finnish name Aino, AYN means "the only one."
Boy/Male
Arabic, Muslim
Support; To Help; Assist
Female
English
English name derived from the vocabulary word fawn, FAWN means "baby deer."
Male
Scandinavian
 Variant spelling of Scandinavian Arne, ARN means "eagle power." Compare with another form of Arn.
Boy/Male
Muslim/Islamic
To help assist
Female
Polish
Feminine form of Polish WiesÅ‚aw, WIESÅAWA means "great glory."
Female
Polish
Feminine form of Polish LechosÅ‚aw, LECHOSÅAWA means "Lech's glory."
Female
Polish
Feminine form of Polish MirosÅ‚aw, MIROSÅAWA means "peace-glory."
Girl/Female
British, English
Dawn
Girl/Female
British, English
Dawn
Girl/Female
Biblical Egyptian Muslim
An hour, eye, fountain.
Girl/Female
American, Anglo, Australian, British, Chinese, Christian, Danish, Dutch, English, French, German, Indian, Italian, Jamaican
Daybreak; Awakening; Dawn; Sun Arising
Male
English
 Short form of English Arnold, ARN means "eagle power." Compare with another form of Arn.
Girl/Female
British, English
Dawn
Female
English
Variant spelling of French Anne, ANN means "favor; grace."
Female
Polish
Feminine form of Polish RadosÅ‚aw, RADOSÅAWA means "happy glory."
AWN BOTANY
AWN BOTANY
Girl/Female
French, German, Latin
Florence; Blooming
Girl/Female
German, Swedish
Counselor in Battle
Boy/Male
Tamil
Jaswanth | ஜஸà¯à®µà®‚தÂ
Worthy of praise, Victorious
Girl/Female
Tamil
Sarvapadravanivarini | ஸரà¯à®µà®¾à®ªà®¤à¯à®°à®µà®¾à®¨à¯€à®µà®¾à®°à¯€à®¨à¯€Â
Dispeller of all distresses
Girl/Female
Biblical
Laudable.
Boy/Male
American, Australian, British, English, Jamaican
From the Town in the Valley
Boy/Male
African, American, Arabic, Bengali, Danish, Hindu, Indian, Marathi, Muslim, Parsi, Pashtun, Persian, Sanskrit, Sindhi, Tamil, Telugu
Crown; Jewel
Girl/Female
Tamil
The bright light
Girl/Female
Greek
Truthful. Mythological goddess of truth.
Girl/Female
Sikh
Hum aur Preet
AWN BOTANY
AWN BOTANY
AWN BOTANY
AWN BOTANY
AWN BOTANY
n.
A pointed instrument for piercing small holes, as in leather or wood; used by shoemakers, saddlers, cabinetmakers, etc. The blade is differently shaped and pointed for different uses, as in the brad awl, saddler's awl, shoemaker's awl, etc.
a.
Wrong, or not commonly used; clumsy; sinister; as, the awk end of a rod (the but end).
v. t.
To give or deposit in pledge, or as security for the payment of money borrowed; to put in pawn; to pledge; as, to pawn one's watch.
a.
Of the color of a fawn; fawn-colored.
a.
Belonging to; belonging exclusively or especially to; peculiar; -- most frequently following a possessive pronoun, as my, our, thy, your, his, her, its, their, in order to emphasize or intensify the idea of property, peculiar interest, or exclusive ownership; as, my own father; my own composition; my own idea; at my own price.
n.
An open space between woods.
a.
Shaped like an awl.
n.
The young of an animal; a whelp.
n.
The quality of being wan; wanness.
v. i.
To be eager; to desire to swallow anything; to express desire by yawning; as, to yawn for fat livings.
v. i.
To bring forth a fawn.
n.
The bristle or beard of barley, oats, grasses, etc., or any similar bristlelike appendage; arista.
a.
To hold as property; to have a legal or rightful title to; to be the proprietor or possessor of; to possess; as, to own a house.
v. i.
See Yawn.
n.
An inn.
n.
A fawn color.
n.
An inclosure with mud or stone walls, for keeping cattle; a fortified inclosure.
v. t.
To strike with fear and reverence; to inspire with awe; to control by inspiring dread.
v. i.
To grow wan; to become pale or sickly in looks.
a.
Having awns; bearded.