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

Gentiana prostrata Haenke
moss gentian (pygmy gentian)
Gentianaceae (Gentian family)

Introduction to Vascular Plants

© Ian Gardiner  Email the photographer   (Photo ID #16032)

E-Flora BC Static Map
Distribution of Gentiana prostrata
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Species Information

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General:
Annual or biennial herb from a slender taproot; stems prostrate or ascending, few to many branched from the base, glabrous, 2-15 cm tall/long.
Leaves:
Basal leaves closely crowded, overlapping, spoon-shaped, forming a rosette; stem leaves opposite, 3-8 pairs, long-sheathing and overlapping at the base, egg-shaped to oblong, glaucous with broad whitish margins, 2-7 mm long, 1-5 mm wide.
Flowers:
Inflorescence of solitary, stalked flowers; corollas blue or whitish, usually narrowly funnel-shaped, 8-22 mm long, lobes 5, sometimes 4, the plaits between the lobes broadly triangular, 1/2 as long as the lobes; calyces 4- to 5-toothed, 8-16 mm long but shorter than the corolla tubes; stamens shorter than the corolla tubes; anthers 0.5 mm long.
Fruits:
Capsules, narrowly ellipsoid on a long stalk; seeds curved, glabrous, wingless or narrowly winged on one side, brown, 1 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist meadows and seepage sites in the upper subalpine and alpine zones; infrequent in N and E BC; circumpolar, N to AK, YT and NT, E to SW AB and S to UT, CO and CA; Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Gentiana prostrata

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) 7 1745 2682
Slope Gradient (%) 0 28 103
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
5 182 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 6
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
128
Modal BEC Zone Class
BAFA
All BEC Zones (# of stations/zone) species was recorded in: AT(14), BAFA(51), BWBS(7), ESSF(16), IMA(6), MH(1), MS(2), SBPS(1), SWB(12)

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 not evaluated, unknown or variable.

Synonyms and Alternate Names

Chondrophylla nutans (Bunge) W.A. Weber
Chondrophylla prostrata (Haenke) J.P. Anders.
Ciminalis prostrata (Haenke) A. L÷ve & D. L÷ve
Gentiana nutans Bunge
Gentiana prostrata var. americana Engelm.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References