Agrostis canina L.

Brown bent (en), Agrostis des chiens (fr), Agrostide des chiens (fr), Agrostide canine (fr), Traînasse (fr)

Species

Angiosperms > Poales > Poaceae > Agrostis

Characteristics

Perennial, loosely tufted, stoloniferous, turf-forming. Culms erect or geniculate at base, 20–60 cm tall, 1–1.2 mm in diam., 3–5-noded. Leaf sheaths smooth; leaf blades linear, flat or involute toward apex, 3–20 cm × 1–3 mm, scaberulous; ligule 1.5–4 mm, back scaberulous, apex obtuse or acute. Panicle lax, lanceolate to ovate in outline, 5–12(–20) cm; branches 3–6 per node, spreading at anthesis, usually erect in fruit, capillary, up to 8 cm, scabrid, bare in lower half. Spikelets 1.5–3 mm, purplish brown; glumes lanceolate, subequal, keel scabrid, apex acute; callus hairs ca. 0.2 mm; lemma 2/3 spikelet length, awned from near base to slightly below middle of back, lateral veins minutely exserted, apex obtuse-denticulate; awn weakly geniculate, up to 4.5 mm; palea ca. 0.5 mm. Anthers 1–1.5 mm. Fl. Jul.
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Loosely tufted perennial 2–7 dm, sometimes with short leafy stolons; lvs not conspicuously crowded toward the base; blades of the cauline lvs flat, 4–6 cm × 1–3 mm; infl 5–20 cm, distinctly longer than thick even when fully expanded, the scabrous branches spreading at anthesis, later more erect; spikelets 1.9–2.5 mm; lemma 1.3–1.9 mm, bearing a bent awn to 4.5 mm near the middle; callus very shortly bearded; palea obsolete; anthers 1–1.8 mm; 2n=14, 28, 35, 42, 56. Native of Europe, intr. in fields and meadows at low altitudes from Nf. and Que. to Del., W.Va., Tenn., and Mich.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention
Sexuality hermaphrodite
Pollination anemogamy
Spread anemochory
Mature width (meter) - 0.1
Mature height (meter) 0.35 - 0.55
Root system rhizome
Rooting depth (meter) 0.9
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 5-8
Soil humidity 6-8
Soil texture -
Soil acidity 3-6
Soil nutriment -
Hardiness (USDA) 4-7

Usage

Uses environmental use fodder
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -35
Optimum temperature (C°) 9 - 20
Size -
Vigor -
Productivity -

Images

Habit

Agrostis canina habit picture by Daniel Bourget (cc-by-sa)

Flower

Agrostis canina flower picture by S R (cc-by-sa)

Distribution

Agrostis canina world distribution map, present in Afghanistan, Albania, Austria, Bulgaria, Belarus, Canada, Switzerland, China, Czech Republic, Germany, Denmark, Algeria, Spain, Finland, France, Micronesia (Federated States of), Greece, Haiti, Hungary, Ireland, Iran (Islamic Republic of), Iceland, Italy, Jamaica, Japan, Kazakhstan, Kyrgyzstan, Montenegro, Malaysia, Netherlands, Norway, Pakistan, Poland, Korea (Democratic People's Republic of), Portugal, Romania, Sweden, Turks and Caicos Islands, Ukraine, and United States of America

Conservation status

Agrostis canina threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:385537-1
WFO ID wfo-0000843382
COL ID B9FZ
BDTFX ID 74942
INPN ID 80590
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Agrostis canina f. fasciculata Agrostis alba f. aristata Trichodium niveum Agraulus pallidus Agrestis canina Agrostis arenosa Agrostis canina Agrostis fascicularis Agrostis geniculata Agrostis hybrida Agrostis leersii Agrostis mutabilis Agrostis nana Agrostis nivea Agrostis varians Agrostis wightii Trichodium arenosum Trichodium caninum Trichodium diffusum Trichodium hybridum Vilfa hybrida Vilfa vulgaris Agrostis tenuifolia Agrostis stricta Agrostis sudavica Avena canina Milium caninum Trichodium montanum Agrostis arenaria Agrostis canina f. varians Agrostis canina f. vinealis Agrostis nobilis Agrostis transilvanica Trichodium arenarium Trichodium coerulescens Trichodium tenerrimum Trichodium transsilvanicum Trichodium turfosum Agrostis canina f. pudica Agrostis canina f. canina Agrostis pallida Agrostis alpina Trichodium kitaibelii Agrostis violaceo-purpurea Agraulus caninus Agrostis affinis Agrostis canina var. mutica Agrostis canina var. nivea Agrostis canina var. pudica Agrostis canina var. stolonifera Agrostis canina var. transsilvanica Agrostis canina var. varians Agrostis alba var. aristata Agrostis canina subsp. aspromontana Agrostis canina subsp. granatensis Agrostis canina subsp. monteluccii Agrostis canina var. alpina Agrostis canina var. decipiens Agrostis canina var. humilis Trichodium caninum var. turfosum Agrostis canina var. opulenta Agrostis canina var. arenosa Agrostis canina var. alba Agrostis canina var. hybrida Agrostis canina var. nobilis Agrostis setacea var. glaucina Agrostis canina subsp. canina Agrostis canina var. canina Agrostis tenuis