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McAdoo, David R.
Cypripedium reginae Walt.
Showy lady's slipper
USDA Symbol: CYRE6
USDA Native Status: Native to U.S.
A stout, hairy, often twisted, leafy stalk bearing 1-3 large flowers with a white and pink, pouch-like lip petal.
This plant, the tallest and most beautiful of our northern native orchids, is especially common in the Great Lakes region. It has been overpicked and should be protected from further exploitation. Small White Ladys Slipper (C. candidum), a smaller plant, has a little flower with a white lip petal; it occurs in limestone soil and boggy places from Saskatchewan east to Ontario and New York, south to Virginia and Alabama, west to Missouri, and north to Nebraska and the Dakotas.
Bloom InformationBloom Color: White , Pink
Bloom Time: May , Jun , Jul , Aug
AL , AR , CT , GA , IA , IL , IN , KY , MA , MD , ME , MI , MN , MO , NC , ND , NH , NJ , NY , OH , PA , TN , VA , VT , WI , WV Canada: NB
, SK Native Distribution:
Saskatchewan east to Newfoundland, south to North Carolina, west to Arkansas, and north to Minnesota and North Dakota. Native Habitat:
Swamps and moist woods, especially limestone sites. USDA Native Status: L48(N), CAN(N)
Growing ConditionsSoil Moisture: Moist
BenefitWarning: The glandular hairs of the foliage may cause a rash similar to that caused by Poison Ivy (Toxicodendron radicans). POISONOUS PARTS: Glandular, irritating hairs on leaves. Symptoms include skin irritation after contact. Toxic Principle: Unidentified.
Conspicuous Flowers: yes
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Record Modified: 2012-11-11
Research By: TWC Staff