Flora of North America species comparison

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

prostrate or decumbent, sparsely 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.

1.5–10.5 cm;

stipules distinct, 1–4 mm, mostly herbaceous or submembranous;

leaflets 9–19, blades obovate, oblong-oblanceolate to -obovate, obcordate, suborbiculate, or elliptic, 2–15 mm, apex obtuse or emarginate, surfaces sparsely strigulose 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.

(1 or)2–10-flowered, flowers ascending or spreading;

axis (0–)1–4 cm in fruit;

bracts 1–2.5 mm;

bracteoles 2.

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

ascending, 1–7.5 cm.

1.5–5 mm.

1–3.5 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.

5.5–8 mm;

calyx campanulate, 3–4.3 mm, strigulose, hair white or partly black, tube 1.5–2.8 mm, lobes subulate, 1.2–2 mm;

corolla white, banner with pink veins;

banner recurved through 45–90°;

keel 3.6–5 mm, apex bluntly deltate.

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, spreading, or loosely declined, green, purplish, or purple- or red-mottled becoming brownish or stramineous, incurved, narrowly oblanceoloid or obliquely semi-ovoid, ± inflated, ± 3-sided compressed, (5–)6–26 × 2.7–5 mm, thin becoming papery, finely strigulose, hairs straight, appressed;

gynophore conical, short.

6–10.

6–15.

= 16.