Cypripedium reginae

Walter

Fl. Carol., 222. 1788.

Common names: Showy lady’s-slipper queen lady’s-slipper cypripède royal
IllustratedEndemic
Synonyms: Cypripedium spectabile Salisbury
Treatment appears in FNA Volume 26. Treatment on page 503. Mentioned on page 491, 500, 502.

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 ovatelanceolate, 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.


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

Distribution

V26 1024-distribution-map.jpg

Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Sask., Ark., Conn., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Pa., Tenn., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

"alternate" is not a number.

... more about "Cypripedium reginae"
self-pollination +
Charles J. Sheviak +
Walter +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
10 cm100 mm <br />0.1 m <br /> (27 cm270 mm <br />0.27 m <br />) +
broadly elliptic +  and ovate or elliptic-lanceolate +
5 cm50 mm <br />0.05 m <br /> (16 cm160 mm <br />0.16 m <br />) +
Showy lady’s-slipper +, queen lady’s-slipper +  and cypripède royal +
Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Ark. +, Conn. +, Ill. +, Ind. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Pa. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
2.5 cm25 mm <br />0.025 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
mostly 0–600 m +
3-merous +, sessile +  and pedicellate +
ellipsoid;oblong-ellipsoid +
Coniferous and hardwood fen forests, openings, fen meadows, hillside seeps, meadows, prairies, dune lags, seeping cliffs +
lateral +  and terminal +
petiolate +, sessile +  and simple +
subopposite +  and alternate +
ascending;spreading +
cauline +  and basal +
3 (?) +  and 9 (?) +
reduced +
suffused +  and white +
subglobose-obovoid +
larger +
2.5 cm25 mm <br />0.025 m <br /> (5.3 cm53 mm <br />0.053 m <br />) +
differing in form and color +
1.8 cm18 mm <br />0.018 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
1-many-flowered +  and cymose +
pendent +  and erect +
oblong +  and elliptic or ovatelanceolate +
25mm;47mm +
0.6 cm6 mm <br />0.006 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Flowering May–Aug. +
Fl. Carol., +
short;elongate +
aerial +  and subterranean +
slender +
minute +
distinct +
foliaceous +
not +  and alike +
Illustrated +  and Endemic +
cordiform-ovoid +  and ovoid-lanceoloid +
scapose +  and leafy +
pendent +  and erect +
proliferous +
thickened +  and stout +
2-3-lobed +
Cypripedium spectabile +
2.4 cm24 mm <br />0.024 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3.7 cm37 mm <br />0.037 m <br />) +
Cypripedium reginae +
Cypripedium +
species +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +