Rock Garden Plants
Orophaca  tridactylica (A.Gray) Rydb.  trib. Galegeae 
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FamilyFABACEAE
Genus species var.Orophaca  tridactylica (A.Gray) Rydb.  trib. Galegeae
SynonymsAstragalus tridactylicus A.Gray (basionym)
 Astragalus sericoleucus var. tridactylicus (A.Gray) M.Jones
 Tragacantha tridactylica (A.Gray) Kuntze
Territory Northwestern U.S.A.ColoradoWyoming
dry, stony grassland
Altitudemontane
Description stems densely leafy, leaflets oblanceolate, 5-20mm, densely sericeous, calyx sericeous, lobes subulate, flowers few in head, ca. 1cm long, pod spherically ovoid, 6-8mm long
Size3-5cm
Colorpurple, yellowish
Bloomspring, early summer
Ca
Typecarpet
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationscarified seed in spring, germ. 1-3 months, 10-13°C
cuttings in late summer
BibliographyDorn, R.D. (1992) Manual of the Vascular Plants of Wyoming
Legume Web www.ildis.org
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý