Flora of North America species comparison

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

decumbent to ascending.

(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.

2–10 cm;

stipules distinct, 1–3.5 mm, thinly herbaceous becoming papery or membranous;

leaflets 7–15, blades obovate to oval, 3–14 mm, apex obtuse to emarginate or mucronate, surfaces sparsely 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.

2–9-flowered, flowers ascending to declined;

axis 0.3–2.3 cm in fruit;

bracts 1–2.5 mm;

bracteoles 0.

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

ascending or incurved, 1.5–4.5 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.

7.5–11 mm;

calyx campanulate, 4.5–6.2 mm, strigose, tube 2.5–3.8 mm, lobes subulate, 1.8–2.4 mm;

corolla whitish or tinged lavender;

banner recurved through 45°;

keel 6.5–8 mm, apex deltate, sometimes obscurely beaklike.

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.

spreading to declined, greenish, often purple-mottled, becoming stramineous or brownish, slightly incurved, ovoid-ellipsoid, inflated, 14–22 × 6–13 mm, thin becoming papery, minutely strigulose to glabrate;

gynophore 1–2.5 mm.

6–10.

9–13.

.

= 16.