Flora of North America species comparison

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

incurved-ascending to decumbent, strigulose to 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.

1.5–4 cm;

stipules distinct, 1–4 mm, membranous or herbaceous with membranous margins;

leaflets (7 or)9–15(or 17), blades linear-elliptic, 5–12.5 mm, apex obtuse, surfaces pubescent.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

loosely (3 or)4–9-flowered, flowers ascending becoming spreading, ultimately declined;

axis 0.4–3 cm in fruit;

bracts 0.7–1.5 mm;

bracteoles 0.

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

incurved-ascending, (0.6–)1.4–3.5 cm.

1.5–5 mm.

(1.2–)1.6–4.3 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.

6.5–7.5 mm;

calyx campanulate, 4.2–5 mm, gray-strigulose, tube 2.5–3 mm, lobes subulate, 1.4–2 mm;

corolla pink-purple;

banner recurved through 90°;

keel 4.7–6.1 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.

deciduous from receptacle, horizontal or declined, green or minutely purple-dotted, becoming stramineous, straight, obliquely ovoid or ovoid-ellipsoid, bladdery-inflated, terete or somewhat obcompressed, 13–26 × 8–16 mm, thin becoming papery-membranous, somewhat lustrous, strigulose, hairs spreading, incumbent or curly;

gynophore to 0.8 mm.

6–10.

10–14.

= 16.