Flora of North America species comparison

reduced to thick crowns.

erect or ascending, sparsely strigulose.

1.5–14(–15) cm;

stipules (2.5–)4–11 mm, submembranous becoming scarious or papery;

leaflets 1–13(or 15), blades obovate to elliptic, oblanceolate, or orbiculate, 3–20 mm, apex acute to obtuse or retuse, surfaces villous-tomentulose.

(1.5–)2–6(–7.5) cm;

stipules 1.5–4.5 mm, membranous becoming papery;

leaflets 7–13, blades cuneate-obovate to oblong-elliptic, 3–10(–12) mm, apex retuse or obtuse, surfaces sparsely strigulose abaxially, glabrous adaxially.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

densely 3–10-flowered, flowers ascending to spreading;

axis to 0.5 cm, not or scarcely elongating;

bracts 0.6–2 mm;

bracteoles 0 or 1.

0.5–11 cm.

erect or divaricate and ascending, (2–)3–9(–11) cm.

1.4–5 mm.

0.4–1.4 mm.

14–32 mm;

calyx cylindric or campanulate, 7–20 mm, villous, tube 5–16 mm, lobes subulate to lanceolate, 1–4 mm;

corolla pink-purple;

banner recurved through 40°;

keel 12–26 mm.

7.8–11.4 mm;

calyx 3.8–5.1 mm, strigulose, tube 2.5–3.5 mm, lobes subulate, 1–2 mm;

corolla whitish, banner and, sometimes, wings veined or suffused lilac, keel tip purple;

banner recurved through 35–45°;

keel (5–)5.4–7.8 mm, apex round.

ascending (humistrate), brown-stramineous, incurved, obliquely ovoid, obcompressed, (13–)18–28(–36) × 7–13(–17) mm, unilocular, fleshy becoming leathery, sparsely hirtellous to densely villous-tomentose, usually concealing surfaces.

stellately ascending, green, straight, ovoid, ovoid-oblong, or fusiform, obscurely 3-sided compressed, falling before splitting, dehiscent on ground, 5.5–10 × (2.5–)2.8–4 mm, thinly fleshy becoming stiffly papery, apex acuminate-tapered or cuneately contracted into a straight, elongate-subulate, spinelike, glabrescent beak (3.5–)4–10 mm, densely silvery-strigulose; bearing seeds in proximal 1/2.

27–40(–46).

2–6.

= 22.