Sparrow egg lady's slipper
| Sparrow egg lady's slipper | ||||||||||||
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Sparrow Egg Lady 's Slipper ( Cypripedium passerinum ) |
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| Cypripedium passerinum | ||||||||||||
| Richardson |
The sparrow egg lady 's slipper ( Cypripedium passerinum ) is a species of the genus Cypripedium in the orchid family (Orchidaceae).
features
The sparrow egg lady's slipper is a perennial plant with a rhizome that reaches heights of 12 to 38, rarely up to 50 centimeters. The 3 to 7 leaves measure 5 to 19 × 1.5 to 6 centimeters and are oval to broadly lanceolate in shape. The flowers are solitary, rarely in pairs. The outer tepals are light or dark green, the inner lateral tepals are white. The upper outer tepal is round to broadly oval, up to 2 centimeters long. The lateral sepals are completely or only partially grown together. The lip is 1 to 2 inches long and white, rarely pink. The opening of the lip is relatively large at 9 to 13 millimeters. The staminodium is heart-shaped to narrow-oval shaped.
Flowering time is from June to July.
The number of chromosomes is 2n = 20.
Occurrence
The sparrow egg lady's slipper occurs in temperate to cool northwestern North America in moist coniferous forests, canyons, river and lake banks, dunes and tundras on neutral and acidic soils at altitudes from 0 to 2200 meters. The distribution area extends from Alaska to Canada and also includes Montana.
use
The sparrow egg lady's slipper is rarely used as an ornamental plant for vessels.
supporting documents
- Eckehart J. Jäger, Friedrich Ebel, Peter Hanelt, Gerd K. Müller (eds.): Rothmaler excursion flora from Germany. Volume 5: Herbaceous ornamental and useful plants . Spectrum Academic Publishing House, Berlin Heidelberg 2008, ISBN 978-3-8274-0918-8 .
- Charles J. Sheviak: Cypripedium . In: Flora of North America Editorial Committee (Ed.): Flora of North America North of Mexico . tape 26 . Oxford University Press, New York and Oxford, S. 503 ( eFloras.org [accessed January 22, 2009] 1993+).
Individual evidence
- ^ Tropicos. [1]
- ↑ Rafaël Govaerts (Ed.): Cypripedium passerinum. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved March 23, 2020.
