Rock Garden Plants
Hydrophyllum occidentale (S.Watson) A.Gray  
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FamilyHYDROPHYLLACEAE
Genus speciesHydrophyllum occidentale (S.Watson) A.Gray 
SynonymsHydrophyllum watsonii (A.Gray) Rydb.
Habitatthickets and woods
Altitude600-3000m
Descriptionscabrous hirsute, stem leaves 7-15, pinnatilobate, flowers in compact inflorescence
Size30-60cm
Colorlilac, white
Bloomspring
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
     Northwestern U.S.A. (Idaho , Oregon )
     Southwestern U.S.A. (Arizona , California , Nevada , Utah)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

HYDROPHYLLACEAE

Hydrophyllum occidentale (S.Watson) A.Gray, Proc. Amer. Acad. Arts 10: 314 (1875)

Basionym:
Hydrophyllum macrophyllum occidentale S.Watson, Botany [Fortieth Parallel] 248 (1871)

Synonyms:
Hydrophyllum occidentale watsonii A.Gray
Hydrophyllum watsonii (A.Gray) Rydb,

w. USA
73 IDA ORE 76 ARI CAL NEV UTA

600-3000m

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