Flora of North America species comparison

twining counterclockwise.

twining counterclockwise.

leaflets (7 or)9 or 11(or 13), blades ovate-elliptic to obovate, 9 × 3.5 cm.

leaflets 9–15, blades elliptic to lanceolate, 6 × 3 cm.

to 33 cm;

anthesis ± simultaneous.

5–15(–22) cm;

anthesis gradual.

to 3 cm.

0.5–0.8 cm.

appearing before leaves, unscented;

calyx middle lobe of abaxial lip to 6 mm;

corolla azure, purple, rose, or white, 2–2.5 cm;

banner 2.1–2.4 × 2.1–2.3 cm, reflexed at base, apex rounded, auricles of basal callosity 0.7–0.8 mm;

wings 1.7–1.8 × 0.7 cm;

keel 1.7–1.8 × 0.7–0.8 cm;

ovary pubescent.

appearing after leaves, unscented;

calyx middle lobe of abaxial lip to 3 mm;

corolla usually azure or purple, rarely white, 1.5–2 cm;

banner 1.7–1.8 × 1.4–1.5 cm, reflexed at middle, apex rounded, auricles of median callosity 0.7–0.8 mm;

wings 1.7–1.8 × 0.6 cm;

keel 1.2–1.3 × 0.6–0.7 cm;

ovary glabrous.

flattened, oblong-elliptic or oblanceolate, 8–21 cm, tardily dehiscent, pubescent, endocarp readily separable from exocarp.

plump, linear-oblong, 5–12(–15) cm, explosively dehiscent, glabrous, endocarp not readily separable from exocarp.

flat, lenticular.

plump, reniform.

= 32.

= 16.