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

Pinguicula vulgaris L.
common butterwort
Lentibulariaceae (Bladderwort family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #65923)

E-Flora BC Static Map
Distribution of Pinguicula vulgaris
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:
Insect-eating perennial herb from a fibrous root; stems erect, simple, solitary to few, 3-16 cm tall, glabrous to minutely hairy, the hairs club-shaped.
Leaves:
Basal leaves 5-7, simple, entire, fleshy, lance-elliptic, 1.5-5 cm long, 7-24 mm wide, glabrous below, glabrous or slimy-glandular above (where small insects are digested), margins inrolled; stem leaves lacking.
Flowers:
Inflorescence of single flowers; corollas funnel-like, dark violet-blue, rarely white, 15-25 mm long, with a spur, white hairs in the throat, the lobes of the lower lip oblong to egg-shaped; calyces lobed, 3-5 mm long.
Fruits:
Capsules, 4-6 mm long, erect.
Notes:
Two closely related and intergrading subspecies occur in BC:

1. Corolla lobes of the lower lip oblong to nearly egg-shaped, more or less covering each other, or at least touching; lower lip of the calyces split up to half their length.....................ssp. macroceras (Link) Calder & Tayl.

1. Corolla lobes of the lower lip oblong, not covering or touching each other; lower lip of the calyces split up to 2/3 of their length...................ssp. vulgaris

Source: The Illustrated Flora of British Columbia

Habitat / Range

Bogs, fens, swamps, and mossy seeps in all but the alpine zone; ssp. Macroseras infrequent on the coast and rare inland; ssp. vulgaris frequent in N BC, infrequent in S BC; ssp macroceras – amphiberingian, to AK and SW YT and S to CA; E Asia; ssp vulgaris – circumboreal, N to AK, YT and NT, E to NF and S to NY and VT; Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Pinguicula vulgaris

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) 6 429 1960
Slope Gradient (%) 0 18 120
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 356 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 5 8
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
96
Modal BEC Zone Class
CWH
All BEC Zones (# of stations/zone) species was recorded in: AT(1), BWBS(6), CMA(2), CWH(65), ESSF(5), MH(12), MS(1), SWB(1)

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 montane boreal & cool temperate.

Synonyms and Alternate Names

Pinguicula vulgaris subsp. macroceras (Link) Calder & Roy L. Taylor
Pinguicula vulgaris var. americana A. Gray
Pinguicula vulgaris var. macroceras (Link) Herder

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References