Flora of North America species comparison

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

erect or ascending, 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.

5–15(–17) cm;

stipules connate-sheathing and bidentate at proximal nodes, distinct at distal nodes, 2.5–6 mm, scarious;

leaflet blades linear- or linear-oblong, 3–35 mm, apex acute or obtuse and mucronate, surfaces glabrous abaxially, glabrous or glabrate 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.

35–60-flowered;

axis 4–8(–14) cm in fruit;

bracts 3–8 mm;

bracteoles 0–2.

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

erect, 9–17(–22) cm.

1.5–5 mm.

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.

14–17 mm;

calyx contracted apically, 10–11 mm, hirsute, hairs long, straight, tube to 14 mm, enclosing fruit, lobes subulate, 2–3 mm;

corolla keel 11.2–13 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.

deciduous within accrescent calyx, straight or slightly incurved, 6–7.5 × 3.5–4 mm, thinly fleshy becoming leathery, glabrous;

gynophore 1 mm.

6–10.

= 16.

= 24.