Flora of North America species comparison

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

obsolete (reduced to 1 to several crowns), with persistent thatch of stipules and petioles.

(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–)4–10 cm;

stipules 6–10 mm, papery-membranous;

leaflets 7–15, blades obovate-cuneate to broadly oblanceolate or elliptic, (3–)5–14 mm, thick, apex obtuse or subacute, surfaces villous-tomentose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(3–)5–10-flowered, flowers ascending;

axis 0.5–2.5 cm in fruit;

bracts 5–7 mm;

bracteoles 0.

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

ascending, (2–)4–10 cm.

1.5–5 mm.

3–5 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.

35–41 mm;

calyx cylindric, 18–24 mm, villous, tube (12–)13.5–16 mm, lobes subulate to lanceolate, 3.5–8 mm;

corolla scarlet or crimson;

banner and keel nearly same length, recurved through 20–30°;

keel 35–40 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), color concealed by hairs, incurved, obliquely lanceoloid-ovoid or narrowly ovoid-ellipsoid, obcompressed, 25–40 × 9–12 mm, unilocular, fleshy becoming leathery, densely villous-tomentulose, concealing surface.

6–10.

34–43.

= 16.