Flora of North America species comparison

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

rarely more than 15, erect, ascending, prostrate, or decumbent, glabrate, sparsely strigulose, villosulous, or pilose.

(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.

1–6.5(–9.5) cm;

stipules (1–)1.5–6(–9) mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (5 or)7–19(–23), blades linear-elliptic and linear-oblong to obovate, 2–14(–17) mm, apex acute to emarginate, surfaces pubescent abaxially, glabrous or pubescent 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(–27)-flowered, flowers ascending to declined;

axis 0–2(–)3 cm in fruit;

bracts 0.5–2.5 mm;

bracteoles 0 or 1.

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

erect or incurved-ascending, (0.2–)0.5–9(–10) cm.

1.5–5 mm.

0.4–1.6 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.

3.7–13 mm;

calyx (1.7–)3–5.6(–5.7) mm, strigulose, hirsutulous, or pilose, tube (1–)1.3–3.1 mm, lobes linear-setaceous to narrowly lanceolate, (0.7–)1–3.2 mm;

corolla whitish, lilac, or pink-purple;

banner recurved through 40–45°;

keel 3.7–6.8(–9.3) mm, apex obtusely round to sharply deltate, beaklike or not.

glabrous.

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 declined, green or purple-tinged becoming stramineous or brownish then black, ± straight or incurved through 0.3–0.5 spiral, linear or linear-oblanceoloid, 3-sided compressed, dehiscent on plant, (7–)10–26 × (1.6–)2.1–3.5 mm, usually bilocular, rarely ± unilocular, thin becoming papery, glabrous, strigulose, or villosulous, hairs straight;

stipe (0–)0.5–0.9 mm.

6–10.

10–22.

= 16.