Calypso bulbosa var. americana
(Fairy Slipper)
Calypso bulbosa var. americana, Summit Co. 5404
Calypso bulbosa var. americana, Summit Co. 5427
| Scientific Name | Calypso bulbosa var. americana | USDA PLANTS Symbol | CABUA |
| Common Name | Fairy Slipper, Calypso Orchid | ITIS Taxonomic Serial No. | 527040 |
| Family | Orchidaceae (Orchid) | SEINet Reference |
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| Description |
Life zones and habitat: Foothills to subalpine (7000 to 10500 ft.); under pine/spruce trees in moist areas, near springs and seeps.
Plant: Erect perennial, smooth, reddish, sheathed stem 1-1/2 to 8 inches tall. Leaves: Single basal leaf, elliptic to ovate 2 inches long, bluish-green. Inflorescence: Solitary pink and white blossom about 1-1/2 inches across, drooping with 3 slender pink sepals and 2 similar-looking petals; large lower third petal is the "slipper" and has a tuft of yellow hairs at its tip. Bloom Period: May to July. References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel and Flora of North America. Notes: Endangered species. Do not pick or attempt to transplant (they’ll just die anyway). |
BONAP Distribution Map Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains