OregonFlora species comparison

sprawling or climbing, 2–8 dm, angled to narrowly winged, basally branched 0–4 times.

climbing, 5–15 dm, ribbed or angled, branched 0–3 times at the base.

5–8 cm;

leaflets 4–10, unpaired, lanceolate, rarely linear, 30–70 × 5–20 mm, glabrous to sparsely pubescent;

tendrils well developed or not;

stipules linear to lanceolate; much < leaflets, bases semi-sagittate.

9–12 cm;

leaflets 8–12, unpaired; ovate to lanceolate, 25–50 × 10–20 mm;

surfaces glabrous;

tendrils well developed;

stipules lanceolate, sometimes as large as terminal leaflets, bases semi-sagittate.

2–6-flowered, 3–10 cm.

9–15-flowered, 6–10 cm.

7–15 mm;

calyx lateral lobes deltoid; < tubes;

corollas blue-purple to white;

banners ? claws in length;

wings ? keels in length.

11–13 mm;

corollas yellow, tan, or orangetinged;

wings ? keels.