Rock Garden Plants
Micranthes petiolaris (Raf.) Bush sect. Arabisa 
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FamilySAXIFRAGACEAE
Genus speciesMicranthes petiolaris (Raf.) Bush sect. Arabisa
SynonymsHexaphoma petiolaris Raf.
 Saxifraga leucanthemifolia Michx.
 Saxifraga michauxii Britton ex Small & Vail
Habitatrocky slopes
Altitude500-2100m
Descriptionleaves long petiolate, leaves oblanceolate, at base attenuate, distinctly dentate, long glandular ciliate, flowers 20-35 in lax thyrsus, petals oblanceolate, 3-5mm
Size20-40cm
Colorwhite
Bloomsummer, autumn
Ca
Typetuft
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, shading in summer
Propagationseed in winter, barely covered, germ. 1-3 months, 16-21°C
division after flowering; cuttings in late summer
Territory Northern America
     Northeastern U.S.A. (West Virginia )
     Southeastern U.S.A. (Georgia , Kentucky , Maryland , North Carolina , South Carolina , Tennessee , Virginia)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

SAXIFRAGACEAE

Micranthes petiolaris (Raf.) Bush, Amer. Midl. Naturalist 11(5): 225 (1928)

Basionym:
Hexaphoma petiolaris Raf., Fl. Tellur. 2: 67 (1837)

Synonyms:
Hydatica petiolaris (Raf.) Small
Saxifraga petiolaris (Raf.) Bush
Spatularia petiolaris (Raf.) Small

Saxifraga leucanthemifolia Michx.
Saxifraga michauxii Britton ex Small & Vail
Spathularia michauxii (Britton ex Small & Vail) Small

West Virginia, se. USA
75 WVA 78 GEO KTY MRY NCA SCA TEN VRG

500-2100m

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