Comprehensive Description
(
anglais
)
fourni par North American Flora
Phaca picta A. Gray, Mem. Am. Acad. II. 4: 37. 1849
Astragalus pictus A. Gray, Proc. Am. Acad. 6: 214. 1864. Not A. pictus Steud. 1840.
Astragalus pictus foliolosus A. Gray, Proc. Am. Acad. 6: 215. 1864.
Tragacantha picta Kuntze, Rev. Gen. 947. 1891.
Astragalus pictus angustus M. E. Jones, Zoe 4: 37. 1893.
Astragalus ceramicus Sheldon, Minn. Bot. Stud. 1: 19. 1894.
Astragalus ceramicus Jonesii Sheldon, Minn. Bot. Stud. 1: 19. 1894.
Astragalus foliolosus Sheldon, Minn. Bot. Stud. 1: 138. 1894.
Astragalus angustus M. E. Jones, Proc. Calif. Acad. II. 5: 634. 1895.
Astragalus angustus pictus M. E. Jones, Proc. Calif. Acad. II. 5: 635. 1895.
Astragalus angustus ceramicus M. E. Jones, Contr. W. Bot. 10: 62. 1902.
Astragalus pictus magnus M. E. Jones, Rev. Astrag. 109. 1923.
Perennial, with a creeping rootstock; stems 1-2 dm. long, giayish-canescent, often fiexuose; leaves more or less spreading, 5-10 cm. long; stipules deltoid, more or less connate; leaflets 5-11, linear, 1-3 cm. long, canescent, 1-2 mm. wide, the terminal one rarely much longer; peduncles 2-5 cm. long; racemes 5-15-flowered; bracts subulate, 1 mm. long; calyx-tube canescent, 2.5 mm. long, the lobes subulate, 1.5 mm. long; corolla about 7 mm. long, ochroleucous, the keel tipped with purple, the petals similar to those of P. longifolia; pod glabrous, mottled with brown or purple, the stipe about 3 mm. long, the body broadly ellipsoid, 1.5-2.5 cm. long, 10-12 mm. wide; seeds obliquely reniform.
Type locality: Banks of the Rio del Norte, New Mexico. Distribution: New Mexico, southern Utah, and Arizona.
- citation bibliographique
- Per Axel Rydberg. 1919. (ROSALES); FABACEAE; PSORALEAE. North American flora. vol 24(1). New York Botanical Garden, New York, NY