Viola nephrophylla Greene
northern bog violet
Violaceae (Violet family)
Introduction to Vascular Plants
northern bog violet
Violaceae (Violet family)
Introduction to Vascular Plants
SUBTAXA PRESENT IN BC
Species Information
General:
Perennial from a thickened rhizome, without stolons, plants up to 25 cm tall; stems lacking.
Leaves:
Basal leaves heart-shaped to triangular, toothed, smooth or nearly so, the blades 3.5-7 cm long, 3-5 cm wide, the stalks 5-25 cm long; stem leaves lacking; stipules linear-lanceolate, entire.
Flowers:
Inflorescence of single, axillary flowers; petals 5, bluish-violet, the lower petal 10-20 mm long including the 2- to 3-mm long pouched spur, the lower 3 bearded and more or less whitish at the base, the lateral pair sometimes not bearded; sepals 5, lanceolate; style heads smooth.
Fruits:
Capsules, smooth, 8-10 mm long; seeds brown.
Notes:
Two varieties occur in BC
1. All petals bearded................... var. cognata (Greene) C.L. Hitchc.
1. Only the lower three petals bearded........................ var. nephrophylla
Ecology
Ecological Framework for Viola nephrophylla
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) |
1211 | 326 | 2150 |
| Slope
Gradient (%) |
6 | 0 | 100 |
|
Aspect (degrees) |
198 | 90 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
6 | 3 | 8 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
53 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1), BWBS(1), ESSF(18), ICH(11), IDF(6), MS(3), SBPS(5), SBS(7) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to wet meadows, thickets, marshes, open woodlands and streambanks in the montane to alpine zones; frequent in SE BC, rare northward, absent along the Coast N of 50degreeN; N to NT, E to NF and S to ME, NH, PA, WV, IN, IO, LA, TX, NM, AZ and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Viola maccabeana M.S. Baker
Viola maccabeiana
Viola nephrophylla var. arizonica (Greene) Kearney & Peebles
Viola nephrophylla var. cognata (Greene) C.L. Hitchc.
Viola pratincola Greene
Viola retusa Greene