Comprehensive Description
(
Inglês
)
fornecido por North American Flora
Agrostis idahoensis Nash, Bull. Torrey Club 24: 42. 1897
Agrostis tenuis Vasey, Bull. Torrey Club 10: 21. 1883. (Type from San Bernardino Mountains,
California, Parish Brothers 1085.) Not A. tenuis Sibth. 1794. Agrostis tenuiculmisNash; Rydb.Mem. N. Y. Bot. Gard. 1:32. 1900. (Based on A . tenuis Vasey.) Agrostis tenuiculmis recta Nash; Rydb. Mem. N. Y. Bot. Gard. 1: 32. 1900. (Type from Belt
Pass, Montana, Rydberg 3327.)
Perennial; culms slender, cespitose, erect, glabrous, 10-30 cm. tall; leaves mostly basal, the sheaths glabrous; ligule 1-2 mm. long; blades flat or more or less involute, glabrous beneath, scaberulous on the upper surface, mostly less than 1 mm. wide; panicle loosely spreading, 5-10 cm. long, the branches capillary, flexuous, naked below, scabrous; glumes about 1.5 mm. long, sometimes as much as 2 mm., acute; lemma about 1.3 mm. long, awnless; palea minute.
Type locality: Forest, Idaho (Heller 3431).
Distribution: Mountain meadows, at medium and high altitudes, western Montana to Washington, and southward to New Mexico and the high mountains of southern California; Fairbanks, Alflsks.
- citação bibliográfica
- Albert Spear Hitchcock. 1937. (POALES); POACEAE (pars). North American flora. vol 17(7). New York Botanical Garden, New York, NY
Physical Description
(
Inglês
)
fornecido por USDA PLANTS text
Perennials, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygona l, Stem internodes hollow, Stems with inflorescence less than 1 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly basal, below middle of stem, 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 2-10 mm wide, Leaf blades mostly flat, Leaf blade margins folded, involute, or conduplicate, Leaf blades mostly glabrous, Ligule present, Ligule an unfringed eciliate membrane, Inflorescence terminal, Inflorescence an open panicle, openly paniculate, branches spreading, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence branches more than 10 to numerous, Lower panicle branches whorled, Flowers bisexual, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 1 fertile floret, Spike lets 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, Entire inflorescence falling intact, as a tumbleweed, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes equal or subequal, Glumes equal to or longer than adjacent lemma, Glume equal to or longer than spikelet, Glumes 1 nerved, Lemmas thin, chartaceous, hyaline, cartilaginous, or membranous, Lemma 5-7 nerved, Lemma glabrous, Lemma apex truncate, rounded, or obtuse, Lemma awnless, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea shorter than lemma, Palea 2 nerved or 2 keeled, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.
Agrostis idahoensis: Brief Summary
(
Inglês
)
fornecido por wikipedia EN
Agrostis idahoensis is a species of grass known by the common name Idaho bent grass. It is native to western North America from Alaska to California to Colorado, where it grows in several habitat types.
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- Wikipedia authors and editors
Agrostis idahoensis
(
Português
)
fornecido por wikipedia PT
Agrostis idahoensis é uma espécie de gramínea do gênero Agrostis, pertencente à família Poaceae.[1]
Referências
Bibliografia
- Barrie, F. R. 2006. Report of the General Committee: 9. Taxon 55:796.
- Brummitt, R. K. 1995. Report of the Committee for Spermatophyta: 43. Taxon 44:611–612.
- Jarvis, C. E. 1991. Seventy-two proposals for the conservation of types of selected Linnaean generic names, the report of Subcommittee 3C on the lectotypification of Linnaean generic names. Taxon 41:552–583.
- Leena Hämet-Ahti et al.: Retkeilykasvio. Helsinki: Luonnontieteellinen keskusmuseo, Kasvimuseo, 1998. ISBN 951-45-8167-9
- Nicolson, D. H. 1999. Report of the General Committee: 8. Taxon 48:373–374
- licença
- cc-by-sa-3.0
- direitos autorais
- Autores e editores de Wikipedia
Agrostis idahoensis: Brief Summary
(
Português
)
fornecido por wikipedia PT
Agrostis idahoensis é uma espécie de gramínea do gênero Agrostis, pertencente à família Poaceae.
- licença
- cc-by-sa-3.0
- direitos autorais
- Autores e editores de Wikipedia
Agrostis idahoensis: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Agrostis idahoensis là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Nash mô tả khoa học đầu tiên năm 1897.
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- cc-by-sa-3.0
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- Wikipedia tác giả và biên tập viên