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

Gentiana platypetala Griseb.
broad-petalled gentian (broadpetal gentian)
Gentianaceae (Gentian family)

Introduction to Vascular Plants

© Jim Dickson  Email the photographer   (Photo ID #3503)

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

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General:
Perennial herb from a short rhizome; stems erect to ascending, 1 to several, simple, glabrous, 10-35 cm tall.
Leaves:
Basal leaves few, reduced; stem leaves opposite, slightly joined at the base, egg-shaped to lanceolate, 1.5-3.2 cm long, 0.8-1.7 cm wide, becoming larger upwards.
Flowers:
Inflorescence a solitary, unstalked flower; corollas bright blue, speckled with green inside, tubular to funnel-shaped, 2.7-4 cm long, lobes 5, kidney-shaped; calyces 1/3 to 1/2 the length of the corollas, the lobes fused to form 2 lips, 1 lip with 2 teeth, the other lip with 3 teeth; stamens shorter than the corolla tubes; anthers 4.5 mm long.
Fruits:
Capsules 1-chambered, elliptic-oblong; seeds contorted, light brown, bearing thin plates of tissue, 1 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic meadows and talus slopes in the subalpine and alpine zones; frequent on the Queen Charlotte Islands; rare on N Vancouver Island and the north coastal mainland of BC; N to SE AK.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Gentiana platypetala

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) 0 695 990
Slope Gradient (%) 0 34 90
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 266 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 7
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
36
Modal BEC Zone Class
MH
All BEC Zones (# of stations/zone) species was recorded in: AT(3), CMA(8), CWH(5), MH(20)

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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References