dcsimg

Comprehensive Description ( Inglês )

fornecido por North American Flora
Agrostis pallens Trin. Mem. Acad. St.-Petersb. VI. 6 2 : 328
1841.
Agrostis exarata var. littoralis Vasey, Bull. Torrey Club 13: 54. 1886. (Type from Oregon, Howell
64.) Agrostis densiflora var. littoralis Vasey, Contr. U. S. Nat. Herb. 3: 72. 1892. (Based on A. exarata
var. littoralis Vasey.)
Perennial, with creeping rhizomes; culms erect, glabrous, rather stout, 2-4-noded, 20-40 cm. tall; sheaths glabrous or nearly so; ligule rather firm, 2-3 mm. long; blades flat or somewhat involute, 1-4 mm. wide; panicle contracted, almost spikelike, usually pale, 5-10 cm. long; glumes acuminate, scabrous on the keel, 2.5-3 mm. long; lemma a little shorter than the glumes, awnless; palea wanting.
Type locality: North America.
Distribution: Sand dunes along the coast, Washington to central California.
licença
cc-by-nc-sa-3.0
citação bibliográfica
Albert Spear Hitchcock. 1937. (POALES); POACEAE (pars). North American flora. vol 17(7). New York Botanical Garden, New York, NY
original
visite a fonte
site do parceiro
North American Flora

Comprehensive Description ( Inglês )

fornecido por North American Flora
Agrostis diegoensis Vasey, Bull. Torrey Club 13: 55. 1886
Agrostis foliosa Vasey, Bull. Torrey Club 13: 55. 1886. (Type from Oregon.) Not A. foliosa
R.& S. 1817. Agrostis diegoensis var. foliosa Vasey, Contr. U. S. Nat. Herb. 3: 74. 1892. (Based on .4. foliosa
Vasey.) Agrostis canina var. stolonifera Vasey, Contr. U. S. Nat. Herb. 3: 75. 1892. (Type from Oregon.)
Not A. canina var. stolonifera Blytt, 1847. Agrostis pallens foliosa Hitchc. Bull. U. S. Dep. Agr. PI. Ind. 68: 34. 1905. (Based on A. foliosa
Vasey.) Perennial, with creeping rhizomes; culms erect, often decumbent at base, glabrous, severalnoded, 50-120 cm. tall; sheaths glabrous or usually more or less scabrous; ligule thin, dentate or lacerate, 2-5 mm. long; blades flat, lax or sometimes rather stiffly appressed, scabrous, narrow or as much as 6 mm. wide, the lower often pale or brownish; panicle narrow, open, green or tawny, rarely purplish, 10-15 cm. long, the branches ascending, rather stiff, some of them naked below; glumes scabrous on the keel, about 3 mm. long; lemma a little shorter than the glumes, narrow, awnless or with a short straight awn, the callus glabrous or nearly so; palea wanting.
Type locality: San Diego, California.
Distribution: Meadows and open woods at low and medium altitudes. Montana and British Columbia to southern California and Nevada.
licença
cc-by-nc-sa-3.0
citação bibliográfica
Albert Spear Hitchcock. 1937. (POALES); POACEAE (pars). North American flora. vol 17(7). New York Botanical Garden, New York, NY
original
visite a fonte
site do parceiro
North American Flora

Comprehensive Description ( Inglês )

fornecido por North American Flora
Agrostis lepida Hitchc. in Jepson, Fl. Calif. 1: 121. 1912
Perennial, with numerous short rhizomes; culms tufted, slender, erect, glabrous, 1or 2-
noded near base, 30-40 cm. tall; sheaths glabrous, the lower becoming fibrous; ligule as much as
4 mm. long; leaves mostly basal, the blades slender, firm, erect, flat or folded, slightly scabrous,
5-15 cm. long, 1 mm. wide or less, the upper blade below the middle of the culm, 3 cm. long or
less; panicle purple, open, 10-15 cm. long, the axis glabrous below, the branches verticillate,
becoming divaricately spreading, glabrous, naked below, the lowermost 2-5 cm. long; glumes
glabrous or nearly so, acute, 3 mm. long; lemma 2 mm. long, awnless; palea very minute or
wanting.
Type locality: Siberian Pass, Sequoia National Park, California {Hitchcock 3455). Distribution: Meadows and open woods, southern Sierras.
licença
cc-by-nc-sa-3.0
citação bibliográfica
Albert Spear Hitchcock. 1937. (POALES); POACEAE (pars). North American flora. vol 17(7). New York Botanical Garden, New York, NY
original
visite a fonte
site do parceiro
North American Flora