Parnassia caroliniana
| Parnassia caroliniana | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Celastrales |
| Family: | Celastraceae |
| Genus: | Parnassia |
| Species: | P. caroliniana |
| Binomial name | |
|
Parnassia caroliniana Michx. 1803 |
|
Parnassia caroliniana is a species of flowering plant in the Celastraceae known by the common name Carolina grass of Parnassus. It is native to the southeastern United States, where it occurs in North Carolina and South Carolina, with an isolated population in the Florida Panhandle.
This rhizomatous perennial herb grows up to 65 centimeters (26 inches) tall. The basal leaves have rounded to oval blades borne on long petioles and leaves on the stem are heart-shaped and clasp the stem at their bases. The inflorescence is a solitary flower with five deeply veined white petals which may exceed 2 centimeters (0.8 inches) in length. At the center are five stamens with yellow anthers and five three-parted staminodes. The fruit is a capsule.
Parnassia caroliniana grows in moist areas in a variety of habitat types, including flatwoods, savannas, bogs, and the ecotones between pocosins and savannas or swamps and savannas. On the coastal plain the plant can be found on sandy calcareous substrates with peat. The plant is "always associated with pines," such as longleaf pine and slash pine. These may be found on pine plantations. Many of the healthiest occurrences of the plant are located on land owned by timber companies. Other plants in the habitat may include Andropogon virginicus, A. glomeratus, Aristida stricta, Arundinaria tecta, Centella asiatica, Ctenium aromaticum, Dichromena sp., Erigeron vernus, Eryngium integrifolium, Eupatorium rotundifolium, E. leucolepis, E. pilosum, Fothergilla gardenii, Gaylussacia frondosa, Gentiana pennelliana, Helenium pinnatifidum, Ilex glabra, Lyonia lucida, Pinus serotina, Platanthera ciliaris, P. cristata, Pteridium aquilinum, Ptilimnium capillaceum, Pycnanthemum flexuosum, Rhexia alifanus, Sarracenia flava, S. purpurea, Taxodium ascendens, Vaccinium crassifolium, and Woodwardia areolata.
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