Practical ecological knowledge for the temperate reader.

Calypso bulbosa - Fairy-slipper

Bulb, Antispasmodic

Notes: Two varieties are found in BC

Habitat / Range

"Dry to moist, mossy forests in the lowland, steppe and montane zones; var. occidentalis - common W of the Coast-Cascade Mountains; var. americana - common E of the Coast-Cascade Mountains; circumpolar; var. occidentalis - N to AK and YT and S to ID and CA, Eurasia; var. americana - N to AK, YT and NT, E to NF and S to ME, VT, MI, WI, MN, SD, NM and AZ." [IFBC-E-flora] "...emerging in autumn, persisting through winter, withering in summer." [WildPNW]

Ecological Indicator Information

"A shade-tolerant/intolerant, submontane to montane, circumpolar forb (transcontinental in North America). Occurs on moderately dry to fresh, nitrogen-medium soils within montane boreal, cool temperate, and cool mesothermal climates. Rare to occasional (locally abundant on eastern Vancouver Island and Queen Charlotte Islands) in mossy forest understories on water-shedding sites; its occurrence increases with increasing continentality. Characteristic of coniferous forests." [IPBC-E-flora]

Edible Uses

Medicinal Uses

Cultivation & Propagation

Can be rare [Turner&Kuhnlein] and "It does not transplant well[2] owing to its mycorrhizal dependence on specific soil fungi." " is very susceptible to disturbance" [Wiki] Yellow listed [Not at risk] in B.C. [E-flora]


Page last modified on Sunday, February 20, 2022 3:37 AM