Rock Garden Plants
Parnassia grandifolia DC.  
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FamilyCELASTRACEAE
Genus speciesParnassia grandifolia DC. 
Habitatgrassland
Altitude200-1400m
Descriptionleaves long petiolate, thick and solid, orbiculate, oval or ovate, at base subcordate, sepals oval or elliptic, petals elliptic to oval, 15-20cm long
Size15-35cm
Colorwhite
Bloomlate summer
Ca+
Typetuft
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationfresh seed, germ. 3-12 months, 13-16°C
division in early spring
Territory Northern America
     North-Central U.S.A. (Missouri , Oklahoma )
     Northeastern U.S.A. (West Virginia )
     South-Central U.S.A. (Texas )
     Southeastern U.S.A. (Alabama , Arkansas , Florida , Georgia , Kentucky , Louisiana , Mississippi , North Carolina , South Carolina , Tennessee , Virginia)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

CELASTRACEAE

Parnassia grandiflora DC., Prodr. [A.P.de Candolle] 1: 320 (1824)

c. & e. USA
74 MSO OKL 75 WVA 77 TEX 78 ALA ARK FLA GEO KTY LOU MSI NCA SCA TEN VRG

200-1400m

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(c) 1990-2021 RNDr. Pavel Slabý