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Imagem de Astragalus nuttallii var. virgatus (A. Gray) Barneby
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Astragalus nuttallii var. virgatus (A. Gray) Barneby

Comprehensive Description ( Inglês )

fornecido por North American Flora
Phaca franciscana (vShcidon) A. Heller, Muhlenbergia 2:217. 1906.
Astragalus Crotalariac A. Gray, Proc. Am. Acad. 6: 216, in part. 1864. Astragalus franciscanus Sheldon. Minn. Bot. Stud. 135. 1894. Astragalus vestitus franciscanus M. E. Jones, Rev. Astrag. 110. 1923.
Perennial; stem angled and striate, 3-S dm. high, stout, sparingly appressed-pubescent; leaves ascending, S-14 cm. 'ong; stipules deltoid, about 5 mm. long; rachis sparingly villous; leaflets 25-45, oblong to oval, acute at the base, mostly rounded at the apex, sparingly villous beneath, at least on the veins and the margins, 1-2 cm. long, 3-8 mm. wide; peduncles 5-12 cm. long; racemes dense, 5-8 cm. long; bracts lance-subulate, 4—6 mm. long; flowers reflexed; calyxtube 4 mm. long, sparingly villous or glabrate, the lobes lance-subulate, 2-2.5 mm. long; corolla ochroleucous, 10-12 mm. long, like that of P. densifolia; pod glabrous from the beginning, obliquely oval-ovoid, 3 cm. long, 1.5 cm. wide, sessile.
Type locality: San Francisco, California.
Distribution: Around San Francisco Bay and north to Mendocino Count v, California.
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citação bibliográfica
Per Axel Rydberg. 1919. (ROSALES); FABACEAE; PSORALEAE. North American flora. vol 24(1). New York Botanical Garden, New York, NY
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