Flora of North America species comparison

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

several, decumbent to ascending, diffuse, strigulose.

(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.

3.5–10 cm;

stipules 3–8 mm, mostly membranous;

leaflets 11–19, blades obovate, oblong, or oblanceolate, 4–17 mm, apex obtuse or retuse, surfaces strigose abaxially, glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

subcapitate at early anthesis, 4–14-flowered, flowers spreading-ascending;

axis 0.5–2.7 cm in fruit;

bracts 2–4 mm;

bracteoles 0–2.

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

incurved-ascending, reclined in fruit, 3–8 cm.

1.5–5 mm.

1–2.5 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.

15–19 mm;

calyx cylindric, 6.4–9.2 mm, strigose, tube 5–7 mm, lobes subulate, 1.4–2.5 mm;

corolla pink-purple with white wing tips, or whitish to ochroleucous and tinged;

keel 9.8–12.7 mm.

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.

ascending (humistrate), stramineous, incurved to ± straight, ellipsoid to oblong, obcompressed, 17–32 × 7–10 mm, subunilocular, wider than high in cross section, woody or stiffly leathery, strigose, hairs ± 1 mm;

stipe to 2 mm.

6–10.

27–32.

= 16.

= 22.