Flora of North America species comparison

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

erect or ascending, fistulose, glabrous.

(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.

8–18 cm;

stipules distinct, (2–)3.5–7.5 mm, submembranous;

leaflets (19 or)21–29, blades ovate-oblong to lanceolate or lanceolate-elliptic, (4–)8–21 mm, apex obtuse or truncate, usually apiculate, surfaces sparsely strigose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(13–)18–25-flowered, flowers spreading or weakly ascending;

axis (5–)9–16 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles (0–)2.

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

erect or incurved-ascending, (6–)12–20 cm.

1.5–5 mm.

0.9–3.5 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.

(9.5–)12–15 mm;

calyx purplish, campanulate, (4.7–)5–7.2 mm, sparsely strigulose, tube (2.7–)3–4.5 mm, lobes subulate, 1.8–2.7 mm;

corolla whitish, drying ochroleucous;

banner recurved through 45°, 12–15 mm;

keel 8–10.5 mm, apex blunt and narrowly 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.

ascending, pale green and purplish-tinged becoming stramineous, straight or slightly incurved, obliquely semi ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, (15–)20–28 × (8–)10–15(–18) mm, beak prominent, papery, sparsely strigulose.

6–10.

29–40.

= 16.