Flora of North America species comparison

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

prostrate, 0–15(–25) cm, internodes to 2(–2.5) cm, strigulose, pilosulous, or 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.

4–24 cm;

stipules sometimes obscurely connate at proximal nodes, 2–15 mm, submembranous becoming papery-scarious;

leaflets 11–27(–31), blades oblanceolate, obovate, obovate-cuneate, rhombic, rhombic-ovate, or rhombic-elliptic, rarely suborbiculate, 2–27 mm, apex usually obtuse or acute, rarely emarginate, surfaces usually pubescent, sometimes glabrescent or glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

loosely (9 or)10–25(–35)-flowered, flowers ascending;

axis (1.5–)2–20 cm in fruit;

bracts 1.5–11 mm;

bracteoles usually 0(–2).

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

incurved-ascending or erect, 4–40 cm.

1.5–5 mm.

0.6–3.4 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.

11.8–24 mm;

calyx cylindric to deeply campanulate, (5–)6.4–14 mm, loosely strigulose, pilosulous, or villous, tube (3.5–)4.5–10.2 mm, lobes subulate or triangular-subulate, 1.2–3.8 mm;

corolla usually pink-purple to dull lilac, rarely white or nearly so;

banner recurved through 45°;

keel 10.2–20.1 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, green or purplish becoming stramineous or brownish, lunately incurved or straight proximally and only beak incurved, obliquely ovoid-acuminate, lanceoloid-, oblong-, or ovoid-ellipsoid, strongly obcompressed, 13–34 × 5–10(–12) mm, ± unilocular, valves less than 1 mm thick, thinly to thickly fleshy becoming thinly leathery, stiffly leathery, or subligneous, usually densely to sparsely strigulose or pilosulous, rarely glabrous.

6–10.

24–36.

= 16.