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Agrostis vinealis vinealis

(Brown Bentgrass)

Interesting Facts

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Common Names

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Common Names in English:

Brown Bentgrass

Description

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Genus Agrostis

Annuals or perennials , tufted or sometimes with rhizomes or stolons. Leaf blades linear to filiform or setaceous , flat or rolled; ligule membranous. Inflorescence a panicle, open to contracted or spikelike. Spikelets with 1 floret, small, often gaping , without rachilla extension ; rachilla disarticulating above glumes ; glumes persistent , longer than floret, subequal or lower a little longer, membranous, 1-veined, apex subacute to acuminate; floret callus glabrous or shortly pilose ; lemma oblong to elliptic , thinner than glumes, often hyaline , 5-veined, rounded on back, glabrous or hairy , lateral veins sometimes excurrent, awnless or awned from back, apex truncate or toothed ; awn usually geniculate , sometimes weakly so or straight when short; palea shorter than lemma, sometimes very small. Stamens 3. Caryopsis oblong, sulcate on ventral side.

About 200 species:temperate and cold regions of the N hemisphere, also on tropical mountains; 25 species (eight endemic) in China.

The genus includes some good fodder and lawn plants .

Some species are superficially very similar, and correct identification depends on careful observation of spikelet details. It is also important to collect the basal parts to show the presence or absence of rhizomes and stolons. When the palea is long it is normally obvious, but small paleas usually adhere to the mature caryopsis and may appear to be absent. The presence or absence of awns is useful for identification, but awned species may have awnless variants , and vice versa, and the position of the awn on the lemma back can also be rather variable.[1]

Taxonomy

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Synonyms

Agrostis alba var. vinealis (Schreb.) Richter • Agrostis canina montana (Hartman) Hartman • Agrostis canina var. montana Hartman • Agrostis stricta J. F. Gmel. • Agrostis trinii Turcz. • Agrostis vinealis Schreb. • Agrostis vinealis trinii (Turcz.) Tzvelev

Notes

Publishing author : Willd.

Name Status: Accepted Name . Latest taxonomic scrutiny: October 17, 2001.

Name verified on 01-Feb-2008 by ARS Systematic Botanists. Last updated: 01-Feb-2008

Similar Species

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Members of the genus Agrostis

ZipcodeZoo has pages for 51 species, subspecies, varieties, forms, and cultivars in this genus:

A. aequivalvis (Arctic Bentgrass) · A. alascana (Alaska Bentgrass) · A. alba var. major (Black Bent) · A. avenacea (Pacific Bentgrass) · A. blasdalei (Blasdale Bentgrass) · A. blasdalei var. blasdalei (Blasdale Bentgrass) · A. canina (Brown Bentgrass) · A. canina canina (Velvet Bent Grass) · A. capillaris (Brown-Top Bent) · A. capillaris var. aristata (Colonial Bent) · A. capillaris 'Jorvik' (Common Bent 'jorvik') · A. castellana (Bentgrass) · A. clavata (Clavate Bentgrass) · A. clivicola (Coastal Bluff Bentgrass) · A. clivicola var. clivicola (Coastal Bluff Bent Grass) · A. clivicola var. punta-reyesensis (Point Reyes Bentgrass) · A. densiflora (California Bentgrass) · A. elliottiana (Elliot Bentgrass) · A. exarata (Longtongue Bentgrass) · A. exarata var. exarata (Spike Bentgrass) · A. gigantea (Black Bent) · A. hallii (Hall's Bentgrass) · A. hallii var. hallii (Hall's Bentgrass) · A. hendersonii (Henderson's Bentgrass) · A. hooveri (Hoover Bentgrass) · A. howellii (Howell's Bentgrass) · A. humilis (Alpine Bentgrass) · A. hyemalis (Winter Bentgrass) · A. idahoensis (Idaho Bentgrass) · A. idahoensis var. idahoensis (Idaho Bentgrass) · A. longiligula var. longiligula (Longtongue Bentgrass) · A. mertensii (Arctic Bentgrass) · A. microphylla (Small-Leaf Bentgrass) · A. microphylla var. microphylla (Smallleaf Bentgrass) · A. muelleriana (He'u-Pueo) · A. nebulosa (Bentgrass) · A. oregonensis (Oregon Bentgrass) · A. pallens (Leafy Bentgrass) · A. perennans (Autumm Bentgrass) · A. pringlei (Pringle's Bentgrass) · A. rossiae (Mountain Bentgrass) · A. sandwicensis (Hawai'i Bentgrass) · A. scabra (Hairgrass) · A. scabra var. scabra (Rough Bentgrass) · A. stolonifera (Carpet Bentgrass) · A. stolonifera palustris (Creeping Bent Grass) · A. stolonifera var. stolonifera (Creeping Bentgrass) · A. tandilensis (Kennedy's Bentgrass) · A. variabilis (Mountain Bentgrass) · A. vinealis (Brown Bentgrass) · A. vinealis vinealis (Brown Bentgrass)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. Sheng-lian Lu & Sylvia M. Phillips "Agrostis". in Flora of China Vol. 22 Page 317, 340, 348, 349, 351, 353, 358, 359, 361. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 7/19/2012