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

Viola nephrophylla Greene
northern bog violet
Violaceae (Violet family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #20029)

E-Flora BC Static Map
Distribution of Viola nephrophylla
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



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

Source: The Illustrated Flora of British Columbia

Habitat / 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.

Source: The Illustrated Flora of British Columbia

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)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 326 1211 2150
Slope Gradient (%) 0 6 100
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
90 198 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 6 8
Modal Nutrient Regime
Class
D
Number 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)

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

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

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References