Flora of North America species comparison

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

erect or ascending, glabrate, sometimes sparsely strigose distally.

(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.

3–22 cm;

stipules usually distinct throughout, rarely connate-sheathing at proximal nodes (var. avonensis), 2–7(–9) mm, thinly herbaceous becoming papery-scarious;

leaflets 7–33, blades obovate, elliptic, oblong, lanceolate, or oblanceolate, 3–50 mm, apex obtuse or retuse to acute, surfaces sparsely strigose or glabrescent abaxially, glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

8–33-flowered, flowers deflexed;

axis 3–16 cm in fruit;

bracts 1–7 mm;

bracteoles 2.

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

erect, 4–26 cm.

1.5–5 mm.

1–7 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.

(11–)15–24 mm;

calyx green or yellowish, gibbous, 5.8–14 mm, glabrous or sparsely strigose, tube 4.4–7.5 mm, lobes erect-ascending, subulate, deltate, lanceolate-subulate, lanceolate-attenuate, or triangular-subulate, 0.3–6 mm;

corolla ochroleucous or pale lemon yellow, keel often faintly to definitely maculate (purplish-tipped) or immaculate;

banner recurved through 45°;

keel 11.5–17 mm, apex bluntly rectangular.

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.

firmly attached to receptacle, falling while attached to pedicel, erect to spreading or declined, green or purplish-speckled becoming brown or stramineous, usually straight, ellipsoid, ovoid, cylindroid, obovoid, or subglobose, inflated, 18–42 × 5–25 mm, subunilocular, fleshy becoming leathery-woody, glabrous or puberulent;

septum 0.8–2.3 mm wide;

stipe 0–8 mm.

6–10.

40–75(–84).

= 16.