Flora of North America species comparison

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

erect to 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.

4–10(–13) cm;

stipules connate-sheathing and papery-membranous at proximal nodes, connate or distinct and herbaceous at distal nodes, 0.5–4.5 mm;

leaflets 13–21, blades linear to linear-filiform, (5–)7–15(–17) mm, apex acute to obtuse, surfaces strigulose or adaxially glabrous;

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.

becoming loosely (3–)4–14(–18)-flowered;

axis 1–8.5 cm in fruit;

bracts 0.8–1.5 mm;

bracteoles 0.

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

erect or incurved-ascending, 5–15(–22) cm.

1.5–5 mm.

ascending, 1.2–3.5 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.

12.5–15.5 mm;

calyx campanulate, obliquely cuneate, 4–6.7 mm, silky-villous, hairs white, sometimes also black, tube 3.2–5.8 mm, lobes triangular, 0.5–1 mm;

corolla white, creamy white, or purplish, banner recurved through 40°;

keel 8–11 mm, apex bluntly deltate or triangular, often slightly 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.

pale green, sometimes also red-mottled, becoming stramineous, straight or slightly curved, obliquely obovoid, semi-obovoid, or semi-ellipsoid, bladdery-inflated, 20–48 × 5–16(–22) mm, papery-membranous, translucent, apex differentiated into broad, low-deltoid beak, glabrous;

stipe (5–)8–12 mm.

6–10.

10–20.

= 16.