Cypripedium reginae |
|
---|---|
cypripède royal, queen lady's-slipper, showy lady's-slipper |
|
Habit | Plants erect, 21–90 cm. |
Leaves | 3–9, along length of stem, alternate, ascending to spreading; blade broadly elliptic to ovate or elliptic-lanceolate, 10–27 × 5–16 cm. |
Flowers | 1–3(–4); sepals white; dorsal sepal suborbiculate to ovate-orbiculate, 25–45 × 18–42 mm; lateral sepals connate, synsepal 24–42 × 15–37 mm; petals spreading, same color as sepals, oblong to elliptic or ovate-lanceolate, flat, 25–47 × 6–17 mm; lip white, usually suffused around orifice and variably beyond with pale pink to crimson magenta, subglobose-obovoid, 25–53 mm; orifice basal, 18–28 mm; staminode cordiform-ovoid to ovoid-lanceoloid. |
2n | = 20. |
Cypripedium reginae |
|
Phenology | Flowering May–Aug. |
Habitat | Coniferous and hardwood fen forests, openings, fen meadows, hillside seeps, meadows, prairies, dune lags, seeping cliffs |
Elevation | mostly 0–600 m (mostly 0–2000 ft) |
Distribution |
AR; CT; IA; IL; IN; KY; MA; MD; ME; MI; MN; MO; NC; ND; NH; NJ; NY; OH; PA; TN; VA; VT; WI; WV; MB; NB; NF; NS; ON; PE; QC; SK
|
Source | FNA vol. 26, p. 503. |
Parent taxa | Orchidaceae > subfam. Cypripedioideae > Cypripedium |
Sibling taxa | |
Synonyms | C. spectabile |
Name authority | Walter: Fl. Carol., 222. (1788) |
Web links |