Calypso bulbosa var. occidentalis

(Holzinger) B. Boivin

Naturaliste Canad. 94: 522. 1967.

Basionym: Calypso bulbosa forma occidentalis Holzinger Contr. U.S. Natl. Herb. 3: 251. 1895
Treatment appears in FNA Volume 26. Treatment on page 623.

Flowers with inconspicuous, sparse bristles at base of lamina, these whitish or with color of lamina, lamina with dull white and reddish markings, usually shorter than horns.

Phenology: Flowering spring–early summer.
Habitat: Moist to dry, shady coniferous forests
Elevation: 0–1600 m


V26 1275-distribution-map.jpg

B.C., Alaska, Calif., Idaho, Mont., Oreg., Wash.


Selected References


Lower Taxa

Charles J. Sheviak +  and Paul M. Catling +
(Holzinger) B. Boivin +
Calypso bulbosa +
B.C. +, Alaska +, Calif. +, Idaho +, Mont. +, Oreg. +  and Wash. +
0–1600 m +
Moist to dry, shady coniferous forests +
Flowering spring–early summer. +
Naturaliste Canad. +
Cytherea bulbosa +
Calypso bulbosa var. occidentalis +
Calypso bulbosa +
variety +