Rock Garden Plants
Lomatium  laevigatum (Nutt.) J.M.Coult. & Rose   
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FamilyAPIACEAE
Genus species var.Lomatium  laevigatum (Nutt.) J.M.Coult. & Rose 
SynonymsPeucedanum laevigatum Nutt. (basionym)
 Cogswellia laevigata (Nutt.) M.E.Jones
Territory Northwestern U.S.A.OregonWashington
rocks
Altitude100-500m
Description leaves mainly basal, long petiolate, pinnatipartite, ultimate segments linear, flowers in dense, compound umbel, numerous, wings of achenes very broad
Size20-30cm
Coloryellow
Bloomspring
Ca+
Typesubshrub
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed when ripe or as soon as possible
BibliographyHitchcock, C.L.: Vascular Plants of the Pacific Northwest
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý