Flora of North America species comparison

erect or ascending, pilosulous.

erect, incurved-ascending, or decumbent, sparsely strigulose or glabrate.

both cauline and in sub-basal cluster, (5–)7–20 cm;

stipules connate-sheathing at proximal nodes, (3–)5–11 mm, fragile, submembranous early becoming papery-scarious;

leaflets 25–37, blades linear-elliptic, linear-oblong, oblanceolate, or ovate-oblong, 5–27 mm, apex obtuse, acute, or retuse, surfaces pilosulous, sometimes glabrous adaxially;

terminal leaflet often continuous with rachis.

(1.5–)2–5(–6) cm;

stipules (1–)1.2–4 mm, submembranous becoming papery;

leaflets (5 or)7–11(or 13), blades broadly obovate, obovate-cuneate to oblanceolate, or suborbiculate-obcordate, 2–12 mm, apex emarginate or retuse, surfaces strigulose abaxially, glabrous adaxially.

(6–)10–30-flowered, flowers ascending to spreading;

axis (3–)5–18 cm in fruit;

bracts 2–9.5 mm;

bracteoles 2.

2–10-flowered, flowers spreading;

axis 0.1–0.4(–0.5) cm in fruit, not elongating;

bracts 0.5–0.8 mm;

bracteoles 0–2.

erect, 12–30 cm, together with racemes longer than stems.

erect, (1.5–)2–7 cm.

1–3.7 mm.

0.3–1.3 mm.

18–23 mm;

calyx short-cylindric, (10–)11–15 mm, strigulose-pilosulous, tube (5.7–)6–7.9 × 3.6–4.8 mm, lobes lanceolate or lanceolate-caudate, (2.6–)4.6–6.7(–7.5) mm;

corolla cream, immaculate;

banner recurved through 45°;

keel 13.4–15.6 mm.

7.2–12 mm;

calyx 2.5–5 mm, strigulose, tube (1.8–)2.7–3.4 mm, lobes subulate, 0.6–1.7 mm;

corolla pink-purple, wing tips pale or banner and keel tips maculate;

banner recurved through 40°;

keel 3.8–8.1 mm, apex broadly rounded or deltate, often obscurely beaklike.

brownish stramineous, ± straight, broadly oblong-ovoid to narrowly oblong-ellipsoid, obcompressed, 11–22 × 4.5–7.2 mm, unilocular or sub-bilocular, fleshy becoming stiffly leathery or subligneous, usually villous-pilose or glabrescent, rarely glabrous;

septum to 1 mm wide;

sessile.

ascending, green or purple-tinged becoming brownish stramineous, gently incurved or straight, very narrowly linear, terete to obscurely 3-sided compressed, falling before splitting, dehiscent on ground, (15–)18–50(–57) × 1.7–2.7(–3.1) mm, thinly fleshy becoming papery, base cuneate or cuneate-tapered, then sometimes pseudostipitate, strigulose; bearing seeds near middle.

8–20.