Rock Garden Plants
Viola  lithion N.H.Holmgren & P.K.Holmgren   
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FamilyVIOLACEAE
Genus species var.Viola  lithion N.H.Holmgren & P.K.Holmgren 
Territory Southwestern U.S.A.NevadaUtah
shady rocks
Altitude2300-3200m
Description leaves ovate to triangular, petals with purple lines and yellow base
Size5-15cm
Colorblue, pale violet
Bloomlate spring, summer
Ca+
Typetuft
Cultivationshady, humous, rock crevices
alpine house, humous, gravelly soil, shade
Propagationseed in winter, barely covered, germ. 1-3 months, 13-16°C
division after flowering and in fall
BibliographyCronquist, A. et al. (1972-2005) Intermountain Flora
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý