Cypripedium montanum
Cypripedium fasciculatum
mountain lady slipper
clustered lady slipper
alternate, 4–6, 8–17 × 4–10 cm.
opposite, 2, 5– 11 × 4–7.5 cm.
elongated, 1–3-flowered.
compressed with 2–5-clustered flowers, nodding.
dorsal sepal lanceolate to ovate, 3–6 × 1–1.5 cm, green suffused with purple;
lateral sepals connate almost to tip, similar in color and shape to dorsal sepal;
petals linearlanceolate and twisted, 4–7 × 0.3–0.6 cm, purple;
lip 2–3 × 1.2–1.7 cm, white with purple spots inside.
dull yellow-green with purplish and/or brownish mottling throughout;
dorsal sepal lanceolate to ovate, 1.5–2 × 0.3–0.9 cm;
lateral sepals connate nearly to tip, similar in color and shape to dorsal sepal;
petals lanceolate to ovate, 1.5–2 × 0.6–1.5 cm;
lip 0.8–1.3 × 0.5–1 cm.
=20.
Cypripedium montanum
Cypripedium fasciculatum
Mixed conifer forests, open shrubby woodlands, roadsides. Flowering Apr–Jul. 50–2200m. BW, Casc, Col, CR, ECas, Sisk, WV. CA, ID, WA; north to AK. Native.
Mixed conifer forests. Flowering Apr–Jul. 50–1900m. BW, Casc, Sisk. CA, ID, WA; east to CO. Native.
The pedicel of this species elongates dramatically when in fruit, increasing the height of the plant from two to three times the flowering height.
James Riser
James Riser
- Local floras:
BC, 
CA, 
OR, 
WA - Local Web sites: CalFlora, CalPhotos,
Flora NW, 
PNW Herbaria, Turner Photog. 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
