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Cypripedium acaule Ait.
Moccasin flower, Pink lady's slipper
USDA Symbol: cyac3
USDA Native Status: Native to U.S.
A leafless stalk bears 1 flower (rarely 2) with a distinctive pink, inflated, slipper-like lip petal, veined with red and with a fissure down the front.
This is one of the largest native Orchids and is found both in low, sandy woods and in higher, rocky woods of mountains. At times several hundred of these striking flowers can be counted within a small area. Nevertheless, like other woodland wildflowers it should not be picked. These Orchids propagate poorly and are very difficult to grow in wildflower gardens. The genus name derives from the Latin for Venus slipper.
Bloom InformationBloom Color: Pink
Bloom Time: Apr , May , Jun , Jul
AL , CT , DC , DE , GA , IL , IN , KY , MA , MD , ME , MI , MN , NC , NH , NJ , NY , OH , PA , RI , SC , TN , VA , VT , WI , WV Canada: NB
, SK Native Distribution:
Saskatchewan to Newfoundland and Nova Scotia; south to South Carolina and Georgia; west to Alabama and Tennessee; north to Minnesota. Native Habitat:
Dry forests, especially pine woods; often in humus mats covering rock outcrops; occasionally in moist woods. USDA Native Status: L48(N), CAN(N),
Growing ConditionsLight Requirement: Part Shade , Shade
Soil Moisture: Dry , Moist
Soil Description: Sandy
Sedative and nerve medicine, cure for insomnia, teaspoon of powdered root in sugar-water. (Weiner) Warning:
The plants of the genus
Cypripedium have glandular hairs on the leaves and stems that can cause a rash, similar to poison ivy rash, upon contact. POISONOUS PARTS: Glandular, irritating hairs on leaves. Symptoms include skin irritation after contact. Toxic Principle: Unidentified. Conspicuous Flowers:
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Record Modified: 2010-09-08
Research By: TWC Staff