Cypripedium parviflorum

Cypripedium parviflorum, also known as the yellow lady's slipper or moccasin flower, is a species of orchid native to North America. It is a member of the genus Cypripedium in the family Orchidaceae.

Description

Cypripedium parviflorum is a perennial herb that grows up to 60 cm tall. It has 3 to 5 alternate, elliptic to lanceolate, plicate leaves. The flowers are yellow, often with a reddish-brown tint, and have a distinctive slipper-like shape, which gives the plant its common name. The blooming period is from late spring to early summer.

Distribution and habitat

This species is widely distributed across North America, from Alaska and Canada to the southern United States. It is found in a variety of habitats, including forests, meadows, and swamps. It prefers moist, well-drained soils and areas with partial shade.

Conservation status

Cypripedium parviflorum is considered secure globally, but it is rare in some parts of its range and is listed as endangered or threatened in several states. The main threats to this species are habitat loss due to development and illegal collection for the horticultural trade.

Cultivation

Cypripedium parviflorum is cultivated as an ornamental plant. It requires a cool, moist, well-drained site with dappled shade. It is not easy to grow from seed and is usually propagated by division.

References

• Flora of North America (2002). Cypripedium parviflorum. Oxford University Press.
• IUCN Red List of Threatened Species (2020). Cypripedium parviflorum. International Union for Conservation of Nature.

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