Viola praemorsa var. praemorsa
yellow montane violet
Violaceae (Violet family)
Introduction to Vascular Plants
yellow montane violet
Violaceae (Violet family)
Introduction to Vascular Plants
Map
Distribution of Viola praemorsa var. praemorsa
Click here to view the full interactive map and legend
Species Information
General:
Perennial herb from a fibrous root, without stolons; stems erect, sparsely to densely hairy, largely underground but the aerial stems 6-30 cm tall.
Leaves:
Basal leaves egg-shaped to lanceolate, entire or slightly wavy, sparsely to densely hairy, the blades 2-10 cm long, 1-3.5 cm wide, the stalks 3-15 cm long; stem leaves lacking or few, similar; stipules joined to the stem with the free end entire to toothed, sparsely to densely hairy.
Flowers:
Inflorescence of single, axillary flowers; petals 5, yellow, the lower petal 12-20 mm long including the 1- to 2-mm long spur, the lower 3 usually brown-penicilled and sometimes tinged with brown, the lateral pair bearded; sepals 5, lanceolate; style heads bearded.
Fruits:
Capsules, smooth to hairy, 6-11 mm long; seeds dark brown.
Notes:
The ssp. linguaefolia (Nutt. ex T.& G.) Baker & Clausen ex Peck may occur in the Rocky Mountains of extreme SE BC. This subspecies can be distinguished from ssp. praemorsa by its longer, narrower stem leaves and the wedge-shaped leaf base.
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.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Viola praemorsa var. praemorsa
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)
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) |
1320 | 630 | 2260 |
| Slope
Gradient (%) |
28 | 0 | 80 |
|
Aspect (degrees) |
140 | 60 | 340 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 1 | 5 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
24 | ||
| Modal
BEC Zone Class |
PP | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BG(2), ICH(1), IDF(6), MS(1), PP(7) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry grassy slopes and oak woodlands in the lowland zone; rare on SE Vancouver Island and adjacent islands; S to CA.Status Information
| Origin Status | Provincial Status | BC List (Red Blue List) | COSEWIC |
|---|---|---|---|
| Native | S1 | Red | E (Nov 2007) |
BC Ministry of Environment: BC Species and Ecosystems Explorer.
Synonyms
Synonyms and Alternate Names:
Viola praemorsa Douglas ex Lindl.