Flora of North America species comparison

decumbent to ascending or erect, villosulous.

prostrate to decumbent, (0–)2–9(–12) cm underground, strigose-strigulose, villous-hirsute, or villosulous.

3–9(–10.5) cm;

stipules distinct, 2–5(–7) mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (9 or)11–21(–25), blades oblong-oblanceolate, narrowly obovate-cuneate, or linear-elliptic, 4–20(–22) mm, apex truncate-retuse to obtuse or retuse, surfaces villosulous abaxially, strigose to glabrescent or glabrous adaxially.

1–4.5(–5.5) cm;

stipules usually connate-sheathing at proximal nodes, sometimes distinct throughout, 1–4.5(–5) mm, papery-scarious at proximal nodes, thinly herbaceous at distal nodes;

leaflets (3–)7–13, blades oblanceolate- or obovate-cuneate, 2–12 mm, apex retuse or truncate and apiculate, surfaces villous abaxially, sparsely so adaxially.

(10–)15–40(–55)-flowered;

axis (3–)4–12(–18) cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 2.

(2 or)3–13-flowered, flowers spreading;

axis (0.2–)0.4–1.2 cm in fruit;

bracts 0.8–2.4 mm;

bracteoles 0.

erect or incurved-ascending, (4–)5–16 cm.

incurved-ascending, 0.4–2.5 cm.

0.8–2.8 mm.

0.7–1.8 mm, disjointing in age.

(10.5–)12–17.2 mm;

calyx campanulate to broadly cylindric, gibbous-saccate, 7–12.3 mm, strigose, tube 5.8–9.4 mm, lobes lanceolate to triangular-subulate or triangular, (0.8–)1–2.7(–3.5) mm;

corolla cream to pale lemon yellow;

banner usually sigmoidally arched and apex very abruptly and strongly folded over calyx to more than 100°, sometimes recurved through 50°;

keel 8.7–13.2 mm.

(5.2–)6–8.5 mm;

calyx shallowly campanulate, 3.2–5.8(–6.2) mm, villous or villosulous, tube 1.3–2.6 mm, lobes linear-lanceolate or setaceous, (1–)1.4–3.6 mm;

corolla whitish or yellowish, banner and keel tips with lilac veins;

banner abruptly recurved through 90–100°;

keel 3.4–5.3 mm, apex bluntly triangular, obscurely beaklike.

pendulous, stramineous, straight or gently incurved, linear-oblong or obliquely ovoid-oblong, laterally compressed, 7–25 × 2.3–4.2 mm, somewhat fleshy becoming leathery, usually villosulous or strigulose, rarely glabrous;

stipe (3.5–)5–15 mm.

spreading or declined (often humistrate), pale green or minutely purple-dotted becoming stramineous, straight or slightly incurved, semi-ovoid or ovoid-ellipsoid, bladdery-inflated, somewhat dorsiventrally compressed, 8–20 × (5–)6–11(–13) mm, unilocular or subunilocular, papery-membranous, sparsely long-villous or villosulous.

(7 or)8–18.

(3–)5–9.