Rock Garden Plants
Trollius laxus Salisb.  
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FamilyRANUNCULACEAE
Genus speciesTrollius laxus Salisb. 
SynonymsTrollius decapetalus DC.
 Trollius pentapetalus Pursh
Habitatgrassland
Altitude100-3800m
Descriptionglabrous, basal leaves long petiolate, palmatipinnate, segments 5, obovate, trilobate, dentate, flowers solitary, sepals 5-9, ovate, about 15mm long
Size25-40cm
Colorwhitish yellow
Bloomearly spring
Ca
Typetuft, fl. stem ascending
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in winter, germ. 3-12 months, 10-16°C
division in late summer
Territory Northern America
     Northeastern U.S.A. (Connecticut , New Jersey , New York , Ohio , Pennsylvania )
     Southeastern U.S.A. (Delaware)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
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Comments

RANUNCULACEAE

Trollius laxus Salisb., Trans. Linn. Soc. London 8: 303 (1807)
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laxus typicus ined.

Synonyms:
Gaissenia verna Raf.
Trollius decapetalus DC.
Trollius pentapetalus Pursh

ne. USA, Delaware
75 CNT NWJ NWY OHI PEN 78 DEL

100-500m

laxus albiflorus A.Gray, Amer. J. Sci. Arts ser. 2. 33: 241 (1862)

Synonyms:
Trollius albiflorus (A.Gray) Rydb.
Trollius americanus albiflorus (A.Gray) Ingw.
Trollius laxus albiflorus A.Gray

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

1200-3800m

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