Cypripedium californicum |
Cypripedium passerinum |
|
---|---|---|
California lady slipper, California lady's-slipper |
Franklin's lady's-slipper, northern lady's-slipper, sparrow's-egg lady's-slipper, sparrowegg lady's slipper, spotted lady's-slipper |
|
Habit | Plants erect, 25–120 cm. | Plants erect, 12–38[–50] cm. |
Leaves | 5–10, along length of stem, alternate, ascending to spreading; blade elliptic-lanceolate to broadly elliptic, 5–16 × 1.5–6.5 cm. |
3–7, along length of stem, alternate, ascending to spreading; blade elliptic to elliptic-lanceolate or ovate-lanceolate, 5–19 × 1.5–6 cm. |
Flowers | 3–18(–22); sepals yellow-green to pale brownish yellow; dorsal sepal elliptic, 14–20 × 7–13 mm; lateral sepals connate almost to apex; synsepal 12–20 × 10–12 mm; petals spreading, same color as sepals or more yellowish, linear-oblong to linear-lanceolate, flat, 14–16 × 3–5 mm; lip white, sometimes pinkish, obovoid, 15–20 mm; orifice basal, 11–14 mm; staminode suborbicular-subauriform. |
1(–2); sepals white or green; dorsal sepal suborbiculate to obovate-orbiculate, rarely elliptic, 11–20 × (7–)9–15 mm; lateral sepals connate to nearly distinct, 6–12 mm, segments 3–6 mm wide; synsepal 6–15 mm wide; petals spreading, white, oblong to linear-elliptic, flat, 12–20 × 3–6 mm; lip white, rarely pinkish, obovoid, 11–20 mm; orifice basal but often proportionally very large, 9–13 mm; staminode cordiform-ovoid to ovoid-oblong. 2n = 20. |
Cypripedium californicum |
Cypripedium passerinum |
|
Phenology | Flowering May–Jun. | Flowering Jun–Jul. |
Habitat | Forest openings, especially on steep slopes, in seeps, springy marshes | Moist coniferous forests, thickets, openings, tundra, especially in coarse soils of terraces and stream banks |
Elevation | 0–1600 m (0–5200 ft) | 0–2200 m (0–7200 ft) |
Distribution |
CA; OR
|
AK; MT; AB; BC; MB; NT; NU; ON; QC; SK; YT
|
Source | FNA vol. 26, p. 503. | FNA vol. 26, p. 503. |
Parent taxa | Orchidaceae > subfam. Cypripedioideae > Cypripedium | Orchidaceae > subfam. Cypripedioideae > Cypripedium |
Sibling taxa | ||
Synonyms | C. passerinum var. minganense | |
Name authority | A. Gray: Proc. Amer. Acad. Arts 7: 389. (1868) | Richardson: in J. Franklin et al., Narr. Journey Polar Sea, 762. (1823) |
Web links |