Perennial herb; stems climbing or trailing, up to 2 m long, finely short-hairy to glabrous, angled and somewhat grooved.
Alternate, pinnately compound; leaflets 12 to 24, linear to lance-elliptic, abruptly narrowed to a pointed tip, 1-3 cm long; tendrils well developed, branched, grasping; stipules entire to toothed, 7-15 mm long.
Inflorescence an axillary, long-stalked, one-sided raceme of 20 to 70 densely packed, drooping, pea-like flowers, the racemes longer than the supporting stalks; corollas blue to reddish-purple, two-toned dark and pale, (8) 10-15 mm long; calyces 1/2 as long as the corollas, gradually rounded or slightly swollen at the base on the upper side, the tube 2-3 mm long, the upper pair of teeth short and triangular, the lower 3 much longer and narrower.
Pods, 1.5-3 cm long, glabrous; seeds 4 to 8.
Present over the Summer
Source: The USDA
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
|CWH(2), ICH(1), IDF(1), PP(8)|
Source: Klinkenberg 2013