Flora of North America species comparison

ascending, glabrous.

reddish brown when young.

alternate, odd-pinnate, axillary buds enclosed in petiole base;

stipules absent;

petiolate;

leaflets 5–9[–15], alternate, stipels absent, blade margins entire, surfaces pubescent abaxially, glabrous adaxially.

20–26 cm;

buds pubescent, hairs rusty;

petiole green to greenish brown, (1–)3.3–5 cm, glabrous;

leaflets: pulvinus glabrous or sparsely pubescent, hairs yellow to rusty;

proximal blades ovate, 30–95 × 25–60 mm, terminal blades obovate, ovate, elliptic, or broadly elliptic, 60–170 × 50–110 mm, base rounded or acute, apex acuminate, surfaces sparsely to densely pubescent abaxially at base near or on midvein, hairs white, glabrous adaxially.

pendulous, 20–50 × 7–22 cm.

25–75+-flowered, terminal, panicles, pendulous;

bracts absent.

1.5–8 cm.

1–2 cm.

papilionaceous;

calyx slightly zygomorphic, tubular, lobes 5, connate basally 1/2 length;

corolla white [pink];

stamens 10, monadelphous, slightly connate at base;

anthers dorsifixed.

calyx 7.2–11.2 × 9.6–14.9 mm, densely pubescent, hairs white to yellow;

abaxial lobe 0.4–2.4 × 0.9–2.7 mm;

lateral lobes 1.1–2.5 × 2.2–3.2 mm;

adaxial lobes 1–2.4 × 2.4–6.7 mm;

corolla 10–19 mm, banner reflexed, orbiculate, 12.3–18.3 × 10–15.7 mm, base cuneate, claw 4–7 mm;

wings lanceolate, 12–18.9 × 5.1–7.7 mm, base auriculate, claw 5–8 mm;

keel lanceolate, 10.7–18.2 × 6.1–9 mm, base auriculate, margins overlapping, folded together;

stamens unequal;

ovary densely pubescent, hairs white or yellow.

legumes, sessile, compressed laterally, straight, elliptic to linear, apex acute, dehiscent, glabrous or slightly pubescent.

70–80 mm, base cuneate, apex acute.

[1–]5–8, brown, reniform.

= 14.

= 28.