Flora of North America species comparison

erect or ascending, (0–)1–12+ cm underground, villous.

decumbent or ascending, villosulous.

(2–)3–12 cm;

stipules distinct, subterranean ones often fully amplexicaul but distinct, 7–15 mm, foliose at distal nodes;

leaflets (5–)7–13(–15), blades elliptic, oblong or lanceolate-elliptic, 10–30(–35) mm, pinnately veined, apex obtuse to rounded, surfaces sparsely villosulous or villous abaxially, glabrous adaxially.

5.5–15 cm;

stipules distinct, 1.5–8(–12) mm, herbaceous;

leaflets (11–)17–27(or 29), blades oblong-oblanceolate to narrowly elliptic, or obovate, (4–)7–22(–25) mm, apex acute or truncate and apiculate, or shallowly retuse, surfaces villosulous, sometimes sparsely so adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(8–)10–30(–35)-flowered, flowers declined;

axis 3–15(–20) cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 2.

erect, 3–9.8 cm, usually longer than subtending leaf.

divaricate or incurved-ascending, 3.5–10(–12) cm.

1.5–5 mm.

1–6.4 mm.

13–19 mm;

calyx campanulate to subcylindric, 7.5–8.8 mm, villosulous, tube 6.3–8 mm, lobes broadly triangular, 0.6–0.8 mm;

corolla yellowish with whitish margins, banner sometimes purple bordered white, keel 13.2–16 mm.

8.3–11.4 mm;

calyx campanulate, 6.5–8.7 mm, densely villosulous, tube 3.6–4.5 mm, lobes lanceolate or subulate, 2.5–4.3 mm;

corolla pale or greenish yellow;

banner abruptly recurved through 90°;

keel 7.5–9.1 mm, apex sharply triangular, sometimes obscurely beaklike.

green becoming brown, ± straight, ovoid, inflated, 15–21 × 5.5–8 mm, papery-membranous, black-pilose, hairs to 0.5 mm;

stipe 5–7 mm, pubescent.

spreading to declined or ascending, pale green, usually red-cheeked, becoming stramineous, straight, broadly ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, 20–40 × 14–20 mm, thin becoming papery, sparsely to quite densely villosulous or strigulose-villosulous, hairs 1+ mm.

6–10.

29–52.

= 16.