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Plancia ëd Vulpia elliotea (Raf.) Fernald
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Vulpia elliotea (Raf.) Fernald

Physical Description ( Anglèis )

fornì da USDA PLANTS text
Annuals, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems geniculate, decumbent, or lax, sometimes rooting at nodes, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes hollow, Stems with inflorescence less than 1 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blades very narrow or filiform, less than 2 mm wide, Leaf blades mostly flat, Leaf blade margins folded, involute, or conduplicate, Leaf blades mostly glabrous, Lig ule present, Ligule an unfringed eciliate membrane, Inflorescence terminal, Inflorescence a contracted panicle, narrowly paniculate, branches appressed or ascending, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence with 2-10 branches, Flowers bisexual, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 3-7 florets, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating above the glumes, glumes persistent, Spikelets disarticulating beneath or between the florets, Spikelets secund, in rows on one side of rachis, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes distinctly unequal, Glumes shorter than adjacent lemma, Glumes equal to or longer than adjacent lemma, Glumes 1 nerved, Glumes 3 nerved, Lemma coriaceous, firmer or thicker in texture than the glumes, Lemma 5-7 nerved, Lemma body or surface hairy, Lemma apex acute or acuminate, Lemma distinctly awned, more than 2-3 mm, Lemma with 1 awn, Lemma awn less than 1 cm long, Lemma awned from tip, Lemma awns straight or curved to base, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea about equal to lemma, Palea 2 nerved or 2 keeled, Stamens 1, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.
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Vulpia elliotea ( Anglèis )

fornì da wikipedia EN

Vulpia elliotea, known by the common name sand fescue or squirreltail fescue, is an annual grass native to the southeastern United States. Its specific epithet elliotea is named for its discoverer, Stephen Elliott.

Description

Vulpia elliotea is an erect grass, growing up to 50 cm (20 in) in height. Its leaf sheaths are glabrous, and its blades are typically glabrous though they can be scabrous above. The involute blades are 0.5–1.5 mm (0.020–0.059 in) wide. The inflorescence is 10 cm (3.9 in) long.[1] The erect panicle has ascending spikelets 4–5 mm (0.16–0.20 in) long. The first glume is 2 mm (0.079 in) long; the second glume is 3.5 mm (0.14 in) long. 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.[2]

Distribution and habitat

Vulpia elliotea grows in dry, sandy prairies from New Jersey to Texas, up to southern Illinois and Missouri.[1]

References

  1. ^ a b Robert H. Mohlenbrock (2002). Grasses. Southern Illinois University Press. p. 331. ISBN 9780809323593.
  2. ^ Merrit Lyndon Fernald (1970). R. C. Rollins (ed.). Gray's Manual of Botany (Eighth (Centennial) - Illustrated ed.). D. Van Nostrand Company. p. 108. ISBN 0-442-22250-5.
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Vulpia elliotea: Brief Summary ( Anglèis )

fornì da wikipedia EN

Vulpia elliotea, known by the common name sand fescue or squirreltail fescue, is an annual grass native to the southeastern United States. Its specific epithet elliotea is named for its discoverer, Stephen Elliott.

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Vulpia elliotea ( vietnamèis )

fornì da wikipedia VI

Vulpia elliotea là một loài thực vật có hoa trong họ Hòa thảo. Loài này được (Raf.) Fernald miêu tả khoa học đầu tiên năm 1945.[1]

Chú thích

  1. ^ The Plant List (2010). Vulpia elliotea. Truy cập ngày 9 tháng 6 năm 2013.

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Vulpia elliotea: Brief Summary ( vietnamèis )

fornì da wikipedia VI

Vulpia elliotea là một loài thực vật có hoa trong họ Hòa thảo. Loài này được (Raf.) Fernald miêu tả khoa học đầu tiên năm 1945.

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Wikipedia tác giả và biên tập viên
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wikipedia VI