Flora of North America species comparison

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Parnassia kotzebuei

Kotzebue's grass-of-parnassus
Habit Herbs with caudices.
Stems

2–15(–25) cm.
Leaves

basal in rosettes;

petiole 0.2–1(–2) cm;

blade (of larger leaves) deltate-ovate to rhombic-ovate 3.5–12(–30) × 4–10(–25) mm, base cordate to cuneate, apex acute to obtuse;

cauline on proximal 1/2 of stem or absent.
Flowers

sepals spreading in fruit, oblong-lanceolate to oblanceolate, 4–8 mm, margins not hyaline, entire, apex obtuse;

petals usually 3-veined, oblong to elliptic, 3–7 × 2–3 mm, length 0.8–1.3 times sepals, base rounded or cuneate, margins entire;

stamens 3–4.5 mm;

anthers 0.7–1 mm;

staminodes obovate, unlobed or divided distally into 3–5 gland-tipped filaments, 1.5–3 mm, shorter than stamens, apical glands suborbicular, 0.1–0.2 mm;

ovary green.
Capsules

6–12 mm.
2n

= 18, 36.

Parnassia kotzebuei
Phenology Flowering summer.
Habitat Moist or seasonally dry shores, stream banks, riverbanks, meadows, tundra, seepage areas, talus, snowbeds, wet calcareous rocky places, open conifer forests.
Elevation 0–3800 m. (0–12500 ft.)
Distribution
from FNA
AK; CO; ID; MT; NV; WA; WY; AB; BC; MB; NL; NT; NU; ON; QC; SK; YT; Greenland; ne Asia
[WildflowerSearch map]
[BONAP county map]
Discussion

Variety pumila was described as endemic to the western mountains, but identical plants occur throughout much of the range of the species.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 115.
Parent taxa Celastraceae > Parnassia
Sibling taxa
P. asarifolia, P. caroliniana, P. cirrata, P. fimbriata, P. glauca, P. grandifolia, P. palustris, P. parviflora
Synonyms P. kotzebuei var. pumila
Name authority Chamisso ex Sprengel: Syst. Veg. 1: 951. (1824)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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