Flora of North America species comparison

erect, glabrous.

stipules not seen;

petiole 20–30 mm;

rachis 4.5–20(–25) cm;

blades oblong to elliptic, 10–40(–45) ×15–20 mm, surfaces glandular-dotted abaxially.

alternate, even-bipinnate;

stipules present, caducous, minute; petiolate;

pinnae 2 or 3(or 5) pairs, opposite;

leaflets 2–12(–24), opposite, subcoriaceous;

blade margins entire, surfaces puberulent or glabrescent abaxially, glabrous adaxially, eglandular.

pubescent.

10-flowered, terminal or axillary, racemes;

bracts present, caducous.

jointed, (2.5–)5–10 mm.

calyx lobes red when in bud or greenish yellow, (3–)6(–7) mm;

corolla banner with central scarlet blotch, (5.1–)6–7(–8.5) mm;

filaments exserted, pale yellow, 6.8–7 mm, pubescent;

anthers yellow, 1 ×0.5 mm;

ovary pubescent;

style 4.5–6.3 mm.

caesalpinioid, monomorphic;

calyx persistent, obconic, abaxialmost sepal covering others in bud, lobes 5;

corolla yellow, banner with red medial markings;

stamens 10, distinct, shorter than or slightly longer than corolla, filaments pubescent;

anthers dorsifixed.

legumes, sessile, straight, laterally-compressed to turgid, oblong, indehiscent, tip blunt, ± fleshy, leathery, glabrous or puberulent.

(6–)7–10 × (1–)1.5–2.5(–3) cm.

4–8.

4–8, ellipsoid, 8–10 mm wide.

= 12.