Viola glabella Nutt.
stream violet (pioneer violet; yellow wood violet)
Violaceae (Violet family)

Introduction to Vascular Plants

Photograph

© David Shackleton     (Photo ID #79635)

Map

E-Flora BC Static Map

Distribution of Viola glabella
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Species Information

General:
Perennial herb from a scaly, fleshy rhizome, without stolons; ascending to erect, smooth, 5-30 cm tall.
Leaves:
Basal leaves heart-shaped to kidney-shaped, toothed, smooth, the blades 5-9 cm long, 4-8 cm wide, the stalks 2.5-25 cm long, smooth; stem leaves similar, the stalks from shorter than to slightly longer than the blades; stipules egg-shaped, 0.5-1 cm long, entire.
Flowers:
Inflorescence of single, axillary flowers; petals 5, deep yellow, the lower petal 8-14 mm long including the 1- to 2-mm long spur, the lower 3 purplish-pencilled within, the lateral pair bearded; sepals 5, lanceolate; style heads densely bearded.
Fruits:
Capsules, smooth, 7-17 mm long; seeds brown to black.
Notes:
Hybridizes with V. biflora ssp. carlottae on the Queen Charlotte Islands.

Source:  The Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Ecology

Ecological Framework for Viola glabella

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

Avg

Min

Max
Elevation (metres)
 1011 0 2750
Slope Gradient (%)
 18 0 220

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

 222 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		4 0 8
Modal Nutrient Regime
Class
 D
# of field plots
 species was recorded in:
 2497
Modal BEC Zone Class
 ESSF

All BEC Zones (# of stations/zone) species was recorded in

 AT(9), BAFA(1), BWBS(12), CDF(1), CMA(1), CWH(625), ESSF(747), ICH(518), IDF(77), IMA(1), MH(70), MS(102), PP(2), SBPS(2), SBS(198), SWB(1)

Habitat and Range

Mesic to moist streambanks, woodlands and forests in the lowland to alpine zones; frequent in BC south of 56degreeN; N to S AK, E to AB and S to MT, ID and CA.

Source:  The Illustrated Flora of British Columbia

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