Rock Garden Plants
Trifolium  attenuatum Greene  trib. Trifolieae 
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FamilyFABACEAE
Genus species var.Trifolium  attenuatum Greene  trib. Trifolieae
SynonymsTrifolium bracteolatum Rydb.
 Trifolium petraeum Greene
 Trifolium stenolobum Rydb.
Territory Northwestern U.S.A.South-Central U.S.A.ColoradoNew Mexico
grassland
Altitudealpine
Description leaflets narrowly linear, attenuate, 1-4cm long, entire, sparsely hirsute, peduncles sparsely strigose, calyx sparsely lanate, lobes subulate, corolla 15-18mm long
Size5-10cm
Colorreddish purple
Bloomsummer
Ca
Typecarpet
Cultivationhumous, moist, but in winter drier, semi-shady site
alpine house, moist, humous soil, shading in summer
Propagationseed in spring, germ. 1-3 months, 13-18°C
division in spring; basal cuttings in late spring and summer
BibliographyRydberg, P.A. (1913): Flora of Rocky Mountains...
Legume Web www.ildis.org
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý