Rock Garden Plants
Hydrophyllum capitatum Douglas ex Benth.  
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FamilyHYDROPHYLLACEAE
Genus speciesHydrophyllum capitatum Douglas ex Benth. 
Habitatthickets and woods
Altitudemontane-subalpine
Descriptionsparsely hirsute, leaves few, large, long petiolate, palmatipinnate, segments 7-11, flowers in cluster amongst leaves, corolla 5-9mm long
Size10-40cm
Colorblue, white
Bloomspring, summer
Ca
Typetuft
Cultivationcold, shady site with a humous, moist soil
alpine house, moist, humous soil, shade
Propagationseed in spring, barely covered, germ. 1-3 months, 10-16°C
division in spring and early fall; cuttings in late summer
Territory Northern America
     Western Canada (Alberta , British Columbia )
     Northwestern U.S.A. (Colorado , Idaho , Montana , Oregon , Washington , Wyoming )
     Southwestern U.S.A. (Utah)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

HYDROPHYLLACEAE

Hydrophyllum capitatum Douglas ex Benth., Trans. Linn. Soc. London 17(2): 273 (1835)
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capitatum typicum ined.

w. Canada, w. USA
71 ABT BRC 73 COL IDA MNT ORE WAS WYO 76 UTA

montane-subalpine

capitatum thompsonii (M.Peck) Constance, Amer. Midl. Naturalist 27: 726 (1942)

Basionym:
Hydrophyllum thompsonii M.Peck, Torreya 28: 55 (1928)

Oregon, Washington
73 ORE WAS

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