Flora of North America species comparison

erect, glabrous or moderately pubescent, glabrescent;

bark smooth, fissured, or flakey.

alternate, odd-pinnate;

stipules present, caducous;

petiolate;

leaflets (7–)11–19+, opposite proximally and alternate distally, all opposite, or all alternate, stipels present, blade margins entire, surfaces glabrous or pubescent.

5–100+-flowered, axillary or terminal, racemes or panicles;

bracts and bracteoles present, caducous.

terminal, panicles, axis sparsely to moderately or densely pubescent, hairs antrorse-appressed, some spreading, white, translucent, and golden brown;

axis (1–)3.5–14 cm;

bracts deltate-attenuate, 1–1.5 mm;

bracteoles deltate-attenuate, 0.3–1 mm.

2–3 mm, densely pubescent, hairs antrorse-appressed, white, translucent, and golden brown.

papilionaceous;

calyx zygomorphic, campanulate or hip-shaped, truncate, lobes 5;

corolla usually white or yellow, rarely pink or purple [cream];

stamens 10, distinct;

anthers basifixed, dehiscing apically;

ovary sericeous;

style glabrous;

stigma attenuate, terminal.

calyx 3–6 mm, sparsely sericeous, lobes acute to broadly rounded;

corolla white to pale yellow, 1–1.5 cm;

ovary sparsely sericeous.

legumes, stipitate, straight to curved, moniliform [torulose], indehiscent, fleshy, glabrescent.

2–8[–12] × 0.4–1.1 cm;

stipe 4–17 mm.

1–5(–8), black, compressed, subreniform to oblong;

hilum lateral.

1–5(–8), 6.9–8 × 4–6.2 mm.

= 14.

= 28.