Parnassia asarifolia


Jard. Malmaison 1: plate 39. 1804.

Treatment appears in FNA Volume 12. Treatment on page 116. Mentioned on page 113.

Herbs with caudices. Stems 18–50 cm. Leaves: basal in rosettes; petiole 6–17 cm; blade (of larger leaves) reniform to reniform-orbiculate, 20–60 × 25–100 mm, mostly wider than long, base cordate, apex rounded; cauline on proximal 1/2 to middle of stem or absent. Flowers: sepals reflexed in fruit, oblong to obovate, 2.5–6.5 mm, margins hyaline, 0.2–0.4 mm wide, entire, apex rounded; petals 11–18-veined, ovate-elliptic, 10–18 × 7–11 mm, length 2–3 times sepals, base abruptly contracted to 2–3.5 mm claw, margins entire or undulate; stamens 8.5–11.5 mm; anthers 2.2–3.2 mm; staminodes 3-fid almost to base, gland-tipped, 5–9 mm, shorter than stamens, apical glands ovoid-conical, 0.5–0.9 mm; ovary green. Capsules 12 mm. 2n = 32.

Phenology: Flowering summer–early fall.
Habitat: Fens, wet woods, rocky banks, often on acidic soils.
Elevation: 200–1500 m.


V12 889-distribution-map.jpg

Ala., Ark., Ga., Ky., Md., N.C., S.C., Tenn., Tex., Va., W.Va.


Parnassia asarifolia is considered endangered in Kentucky and Maryland. It is uncommon throughout its range.

Selected References


Lower Taxa

... more about "Parnassia asarifolia"
Peter W. Ball +
Ventenat +
Ala. +, Ark. +, Ga. +, Ky. +, Md. +, N.C. +, S.C. +, Tenn. +, Tex. +, Va. +  and W.Va. +
200–1500 m. +
Fens, wet woods, rocky banks, often on acidic soils. +
Flowering summer–early fall. +
Jard. Malmaison +
Parnassia asarifolia +
Parnassia +
species +