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

Viola lanceolata L.
Lance-leaved Violet (bog white violet; Howell's Violet)
Violaceae (Violet family)

Introduction to Vascular Plants

© Bruce Bennett  Email the photographer   (Photo ID #22937)

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Distribution of Viola lanceolata
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SUBTAXA PRESENT IN BC
Viola lanceolata ssp. lanceolata

Species Information

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General:
Perennial herb from a rhizome, with stolons; stems almost lacking, smooth, 5-15 cm tall.
Leaves:
Basal leaves lanceolate to elliptic, toothed, smooth, the blades 3-6 cm long, 0.5-1.5 cm wide, bases wedge-shaped, the stalks reddish, equal to the leaves; stipules linear-lanceolate, 1 cm long, slender toothed.
Flowers:
Inflorescence of single, axillary flowers; petals 5, white, the lower petal 8-11 mm long including the 1- to 2-mm long spur; the lower 3 purple-pencilled, the lateral pair not bearded; sepals 5, lanceolate; style heads smooth.
Fruits:
Capsules, elliptic, smooth, 6-8 mm long; seeds brown.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist woodlands and peaty fields in the lowland zone; rare in SW BC, known only from Lulu Island; introduced from E North America.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Viola lanceolata

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) 30 1055 1585
Slope Gradient (%) 0 24 60
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W] 		70 171 270
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		2 4 7
Modal Nutrient Regime
Class		 D
Number of field plots
 species was recorded in:		 18
Modal BEC Zone Class
 BAFA
All BEC Zones (# of stations/zone) species was recorded in: BAFA(5), BWBS(2), CMA(2), CWH(4), ESSF(2), MH(3)

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 cool temperate & cool mesothermal.

Taxonomic and Nomenclatural Links


Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-11-21 8:39:56 PM ]
Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.
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