Flora of North America species comparison

petiolate;

stipules persistent, 1.5–6 mm;

petiole 5–10 mm;

leaflets 3, blades obovate to oblanceolate or elliptic, 5–25 mm, base tapering to cuneate, apex obtuse to rounded, often mucronate, surfaces densely pubescent abaxially, sparsely lanate adaxially.

sessile or subsessile;

stipules 0.8–1.5 mm;

petiole less than 1 mm;

leaflet 1, blade broadly elliptic, lanceolate, or oblanceolate to obovate, 5–50 mm, base rounded, margins sparsely ciliolate, apex aristulate, surfaces glabrous or sparsely pubescent along margins and midvein.

3–20-flowered, terminal, racemes, 15–70 mm;

bracts 1–2.5 mm.

1–6-flowered, terminal, simple or compound racemes (30–)40–60(–80) mm;

bracts foliaceous, 6–9 mm.

2–4 mm.

1–2 mm.

calyx 4–8 mm, densely sericeous;

banner widely ovate, 9–16 mm, glabrous;

wings and keel slightly shorter than banner, wings glabrous, keel pubescent abaxially.

calyx 3–7 mm, glabrous or glabrate to densely pubescent;

banner broadly ovate, 8–12 mm, glabrous;

wings and keel equaling banner, glabrous.

narrowly oblong, 20–40 mm, sericeous.

narrowly oblong, 15–25 mm, glabrous.

3–6(–10), olive to brownish or black, orbicular, 2.5–3 mm;

hilum red-orange.

4–10, yellow-tan, cordate, 1–1.3 mm.

= 48, 96.