NC Native Plant Society:
Plant Details

Parnassia grandifolia

Bigleaf Grass-of-Parnassus, Limeseep Parnassia, Largeleaf Grass-of-Parnassus

Scientific Name:	Parnassia grandifolia
Genus:	Parnassia
Species Epithet:	grandifolia
Common Name:	Bigleaf Grass-of-Parnassus, Limeseep Parnassia, Largeleaf Grass-of-Parnassus
Plant Type	Herb/Wildflower
Life Cycle	Perennial
Plant Family	Parnassiaceae (Grass-Of-Parnassus Family)
Native/Alien:	NC Native
Size:	0-1 ft.
Bloom Color(s):	White, Green
Light:	Sun - 6 or more hours of sun per day, Part Shade - 2 to 6 hours of sun per day
Soil Moisture:	Wet
Bloom Time:	August, September, October
Growing Area:	Mountains, Coastal Plain
Habitat Description:	“Fens, gravelly seepages, pineland seepage bogs and ecotones, primarily or solely over calcareous, mafic, or ultramafic rocks, in the outer Coastal Plain in seepage over marl on nearly vertical river bluffs on the Cape Fear River (NC) and in pineland seepage bogs…The discovery of populations of this species in Brunswick and Columbus counties, NC, was remarkable.” (Weakley 2015). Rare in NC Mountains and Coastal Plain.
Leaf Arrangement:	Basal
Leaf Retention:	Deciduous
Leaf Type:	Leaves veined, not needle-like or scale-like
Leaf Form:	Simple
Life Cycle:	Perennial
Wildlife Value:	Has some wildlife value
Landscape Value:	Not Recommended for home landscapes
State Rank:	S2: Imperiled ^(*Key)
Global Rank:	G3 - Vulnerable ^(*Key)
State Status:	T: Threatened ^(*Key)
Federal Status:	FSC - Federal Special Concern ^(*Key)
In bloom Paynter, September 22, 2014
Habitat In this photo, Bigleaf Grass-of-Parnassus was growing on a gravelly seepage slope. Paynter, September 2014
Close-up of flower Paynter, September 2014
Close-up of leaves
Fruit
Links:	USDA PLANTS Database Record