Print Page

Clustered Lady's Slipper
(Cypripedium fasciculatum )

Clustered Lady's Slipper
Photo by Joe Molter, BLM

Description: Perennial from small rhizome with fibrous roots; stem being 4 to 8 inches (10-20 cm) tall having soft, wooly, long straight hairs.  Two opposed leaves are located halfway up ths stem, are sessile and hairy underneath, broadly ovate, 2 to 4 inches (5-10 cm) long and 1.5 to 2.75 inches (4-7 cm) wide.  Flowers solitary or usually several in a cluster; sepals and lateral petals are lanceolate, about .5 to 1 inch (15-25 mm) long, greenish-brown to purple, often closely covering the lip.  The slipper-like lip is a little uner a half inch (8-12 mm) in lenght, greenish-yellow with brownish-purple veins; the white sterile stamen is less than one quarter inch (3 mm) long.

Distribution: Northern High Sierra Nevada, Cascade Ranges, Klamath Ranges and North Coast Ranges.

Habitat: From dry to damp, rocky to loamy, and at elevations from 1300 to 5300 feet (429-1750 m), areas of 60 to 100 percent shade and within various plant communities, including mixed evergreen, mixed conifer, Douglas-fir, pine and black oak forests.

Flowering Period: April to July

Similar Plants:

Status: BLM Sensitive, California Native Plants Society List 4

Glossary of
Plant Terms

Diagram of Plant Parts

Definitions of
Plant Status

Field Office: Redding

Last updated: 08-05-2010