Lathyrus pratensis L.
meadow peavine (meadow pea)
Fabaceae (Pea family)

Introduction to Vascular Plants

Photograph

© Robert Flogaus-Faust     (Photo ID #26283)


Map

E-Flora BC Static Map

Distribution of Lathyrus pratensis
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from a rhizome; stems decumbent to erect, 40-100 cm long, wingless, usually freely branched, usually long silky-hairy.
Leaves:
Alternate, pinnately compound with 2 leaflets; leaflets linear-elliptic, 2-5 cm long; tendrils present but often unbranched and scarcely grasping; stipules often as large as the leaflets, narrowly egg-shaped, lobed, the lower lobes to 1/2 as long as the upper.
Flowers:
Inflorescence a crowded, long-stalked, axillary cluster of 3 to 12 pea-like flowers; corollas yellow, 12-17 mm long, the banner longer than the wings and keel, the banner-claw shorter than the blade; calyces 6-8 mm long, strongly veined, the main veins hairy, the narrowly lanceolate teeth almost as long as the tube.
Fruits:
Pods, 2-3 cm long, 4-7 mm wide, fine-hairy or becoming glabrous; seeds 4 to 8.

SourceThe Illustrated Flora of British Columbia

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.

Ecology

Ecological Framework for Lathyrus pratensis

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)
975 975 975
Slope Gradient (%)
65 65 65

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

191 192 192
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 2
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
1
Modal BEC Zone Class
SBS

All BEC Zones (# of stations/zone) species was recorded in

SBS(1)

Habitat and Range

Mesic to dry meadows, clearings, roadsides and other disturbed areas in the lowland, steppe and montane zones; rare, scattered throughout southern BC; introduced from Eurasia.

SourceThe Illustrated Flora of British Columbia