Flora of North America species comparison

erect or incurved-ascending, diffuse, glabrous or glabrate.

erect or ascending, sparsely strigulose.

3.5–15 cm;

stipules 2–7 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (7 or)9–25, blades obovate, suborbiculate, obcordate to oblong, narrowly elliptic, lanceolate, or linear, 6–28 mm, apex retuse-emarginate to rounded, obtuse, acute, or truncate, sometimes apiculate, surfaces glabrous, hairs sometimes on margins or midrib.

(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.

3–24-flowered, flowers ascending;

axis 1–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 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.

erect-ascending, 2–15 cm.

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

1–5.5 mm.

0.4–1.4 mm.

14–24 mm;

calyx purple, 6.4–12.3 mm, sparsely strigose, tube 5.1–9.7 mm, lobes subulate, 1.3–2.6 mm;

corolla pink-purple, bicolored, or white to pale greenish yellow and, sometimes, modestly suffused with purple;

banner recurved through 40–45°;

keel (11.1–)11.5–19 mm, apex blunt.

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.

dehiscent on plant, erect to ascending, green or red-dotted becoming stramineous, straight or slightly incurved, cylindroid, ellipsoid, ovoid, or oblong-ellipsoid, inflated, 12–34 × 6–13 mm, unilocular, stiffly papery to leathery, glabrous or puberulent;

stipe 0–7 mm.

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.

20–44.

2–6.

= 22.