Flora of North America species comparison

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

erect or ascending, usually shorter than longest peduncles, 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.

4–17 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 1.5–7 mm, scarious;

leaflets 5–15, blades filiform to linear or narrowly elliptic, 2–23 mm, apex acute to obtuse, surfaces strigose abaxially, glabrous adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

6–34-flowered;

axis 3–25 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0 or 1.

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

erect, 4–25 cm, together with racemes longer than stems, much surpassing subtending leaves.

1.5–5 mm.

0.3–2 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.

7–11 mm;

calyx campanulate, 5–7.5 mm, white-pilose, tube 3–4 mm, lobes lanceolate-subulate, 1.8–3.5 mm;

corolla marcescent, pink-purple;

banner recurved through 45°;

keel 5.7–7 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-spreading, stramineous, slightly incurved, ovoid to ellipsoid, obcompressed, 5.5–8 × 2.3–3.4 mm, thinly fleshy becoming papery, strigulose.

6–10.

4–6.

= 16.