Comprehensive Description
provided by North American Flora
Parnassia grandifolia DC. Prodr. 1 : 320. 1824
Parnassia caroliniana p Hook. Jour. Bot. 1 : 194. 1834. Parnassia grandiflora Raf. Aut. Bot. 41. 1840.
Rootstock short, erect or ascending. Petioles of basal leaves 3-15 cm. long; blades thick and firm, round, oval or ovate, usually subcordate at the base, 3-10 cm. long, 2-8 cm. wide ; bract ovate to reniform, usually borne below the middle of the scape ; sepals oval or elliptic, 4-5 mm. long, 3-7-veined; petals elliptic to oval, 15-20 mm. long, with about 7 strong veins ; filaments 7-8 mm. long, subulate ; anthers ovate, acute, about 3 mm. long ; staminodia nearly filiform, 12-15 mm. long, 3-5 in each set, united only at the base ; capsule ovoid, about 1.5 cm. long, 4-valved.
Type locality : North America, in the Cherokee Country (probably in North Carolina) . Distribution : Virginia to Missouri, Louisiana and Florida.
- bibliographic citation
- John Kunkel SmaII, George Valentine Nash, Nathaniel Lord Britton, Joseph Nelson Rose, Per Axel Rydber. 1905. ROSALES, PODOSTEMONACEAE, CRASSULACEAE, PENTHORACEAE and PARNASSIACEAE. North American flora. vol 22(1). New York Botanical Garden, New York, NY