Flora of North America species comparison

erect or ascending, sparsely strigulose.

prostrate to incurved-ascending, strigulose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

1.5–3.5 cm;

stipules distinct, 1–3 mm;

leaflets (3 or)5–9, blades obovate-cuneate to broadly oblanceolate, 1.5–7 mm, apex emarginate, surfaces strigulose, sometimes glabrescent adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

loosely 2–7-flowered, flowers spreading or declined;

axis to 1 cm in fruit;

bracts 0.4–1 mm;

bracteoles 0.

(2–)4–11 cm.

incurved-ascending, 0.2–1.5 cm.

0.6–1.5 mm.

1–2 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

6–7 mm;

calyx campanulate, 3–4.5 mm, white-strigulose, tube 2–2.8 mm, lobes subulate, 0.8–1.8 mm;

corolla blue-violet;

banner recurved through 60–80°;

keel 5–5.5 mm, apex sharply triangular and beaklike.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

deciduous from receptacle, pendulous (sometimes humistrate), green or minutely purple-dotted becoming stramineous, straight, obliquely ovoid, bladdery-inflated, terete or somewhat obcompressed, 7–14 × 4.5–7.5 mm, papery-membranous, somewhat lustrous, minutely strigulose.

12–16.

10–14.