Rock Garden Plants
Potentilla congesta (Douglas ex Hook.) Baill.  
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FamilyROSACEAE
Genus speciesPotentilla congesta (Douglas ex Hook.) Baill. 
SynonymsHorkelia congesta Douglas ex Hook.
 Horkelia hirsuta Lindl.
Habitatsteppes
Altitude100-800m
Descriptiontaproot, basal leaves hirsute, 3-8cm long, with 5-13 narrowly oblanceolate, apically 2-3-dentate segments, 2cm long, petals 5-6mm long, obovate, obtuse
Size15-40cm
Colorcreamy
Bloomspring
Ca
Typetuft
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 18-21°C
cuttings in late summer and fall
Territory Northern America
     Northwestern U.S.A. (Oregon )
     Southwestern U.S.A.
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ROSACEAE

Potentilla congesta (Douglas ex Hook.) Baill., Hist. Pl. [Baillon] 1: 369 (1869)

Basionym:
Horkelia congesta Douglas ex Hook., Bot. Mag. 56: t. 2880 (1829)
=============================================================================
congesta typica (D.D.Keck) ined.

Basionym:
Horkelia congesta typica D.D.Keck, Lloydia 1: 108 (1939)

Synonyms:
Horkelia congesta latiloba Howell ex Greene
Horkelia hirsuta Lindl.
Potentilla congesta lobata Lemmon

w. Oregon
73 ORE

100-700m

congesta nemorosa (D.D.Keck) J.T.Howell, Leafl. W. Bot. 4: 176 (1945)

Basionym:
Horkelia congesta nemorosa D.D.Keck, ibid.

Oregon, California
73 ORE 76 CAL

200-800m

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