E-Flora BC: Electronic Atlas of the Flora of British Columbia

Corallorhiza trifida Chatelain
yellow coralroot
Orchidaceae (Orchid family)

Introduction to Vascular Plants

© Larry Halverson  Email the photographer   (Photo ID #81436)

E-Flora BC Static Map
Distribution of Corallorhiza trifida
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Perennial, saprophytic herb from coral-like rhizomes; stems 8-20 (30) cm tall, yellowish to greenish, smooth.
Leaves:
Bractlike, sheathing, 2 to 5.
Flowers:
Inflorescence a terminal raceme of 3 to 20 short-stalked, spreading flowers, the bracts scalelike; sepals usually white or yellowish, lanceolate to oblanceolate, 4.5-6 mm long, usually 1-veined, the lower curved forward; lateral petals sepal-like, but slightly shorter and wider; lip oblong, 3-4.5 mm long, white, sometimes faintly red-spotted, the base usually short-lobed or toothed, vaguely toothed beyond the middle; column 2.5-6 mm long, white or yellowish.
Fruits:
Capsules, ellipsoid, drooping, 8-14 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic coniferous and mixed forests in the steppe and montane zones; frequent throughout BC east of the Coast-Cascade Mountains; circumpolar, N to AK, YT and NT, E to NF and S to ME, MA, PA, WV, OH, IL, MN, SD, NM, UT, NV and CA; Greenland, Iceland, and Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Corallorhiza trifida

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 8 1005 1910
Slope Gradient (%) 0 15 205
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 348 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 4 7
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
260
Modal BEC Zone Class
BWBS
All BEC Zones (# of stations/zone) species was recorded in: BWBS(71), CWH(1), ESSF(20), ICH(22), IDF(17), MH(1), MS(26), SBPS(12), SBS(56), SWB(4)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is montane boreal & cool temperate.

Synonyms and Alternate Names

Corallorhiza corallorhiza (L.) Karst.
Corallorhiza trifida var. verna (Nutt.) Fern.
Corallorrhiza corallorrhiza (L.) Karst. [orthographic variant]
Corallorrhiza trifida Chatelain [orthographic variant]
Corallorrhiza trifida var. verna (Nutt.) Fern. [orthographic variant]

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References