Cypripedium reginae

Queen Lady's Slipper ( Cypripedium reginae )

The Queen Lady's Slipper ( Cypripedium reginae ) is a species of the genus Cypripedium in the orchid family ( Orchidaceae).

Features

The Queen Lady's Slipper is a perennial plant with a rhizome, the plant height reached 21-90 centimeters. The are three to nine leaves spread on the stem, they are oval shaped and measure 10 to 27 × 5 to 16 centimeters. The terminal inflorescence bears one to three, rarely four flowers. The outer and inner perigone are white. The upper outer perianth is 3 or more than 3 inches long. The lip is about to run 2.2 to 5 inches long and pink on a white background. The Staminodium is cordate - ovate to broadly lanceolate.

Bloom time is from May to August.

Occurrence

The Queen Lady's Slipper comes in hot temperate to temperate eastern North America in moist coniferous forest hemming, moist deciduous forests, wetlands, prairies, in sinks and wet dune valleys on neutral and calcareous soils. He settled altitudes from sea level to about 600 meters.

Use

The Queen Lady's Slipper is rarely used as an ornamental plant in rock gardens and moor beds. The species is in cultivation since at least 1731.

Documents

• Eckhart J. Hunter, Friedrich Ebel, Peter Hanelt, Gerd Müller, K. (ed.): Rothmaler Exkursionsflora of Germany. Volume 5: Herbaceous ornamental and useful plants. Spektrum Akademischer Verlag, Berlin Heidelberg 2008, ISBN 978-3-8274-0918-8.
• Charles J. Sheviak: Cypripedium. In: Flora of North America Editorial Committee ( eds.): Flora of North America North of Mexico. 26, Oxford University Press, New York and Oxford 1993 , p 503 ( eFloras.org, accessed on 23/02/2009 ).