Rock Garden Plants
Potentilla rhyolitica Ertter  
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FamilyROSACEAE
Genus speciesPotentilla rhyolitica Ertter 
Habitatrocks
Altitude2600-2900m
Descriptionbasal leaves ternate, petiolate, middle leaflet obovate, incised-dentate, grey-green, long hirsute, flowers 1-10, sepals 3-5mm, acute, petals obcordate, 3-7mm
Size2-20cm
Colorbright yellow
Bloomspring, early summer
Ca
Typetuft
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 18-21°C
cuttings in late summer and in fall
Territory Northern America
     Southwestern U.S.A. (Arizona)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ROSACEAE

Potentilla rhyolitica Ertter, J. Bot. Res. Inst. Texas 1(1): 50 (2007)
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rhyolitica typica ined.

Arizona
76 ARI

2600-2900m

rhyolitica chiricahuensis Ertter, ibid.

Arizona
76 ARI

2700-2900m

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