Flora of North America species comparison

curved-ascending, branched.

erect, branched distally.

palmate;

stipules lanceolate-ovate, 0.8–1.8 cm, margins entire, apex long-setaceous;

petiole 0.5–5 cm;

petiolules 0.5 mm;

leaflets 3, blades obovate to oblong, 0.8–2.5 × 0.5–1.3 cm, base cuneate, veins prominent, closely-spaced, margins denticulate distally, apex rounded, surfaces densely spreading-hairy.

palmate;

stipules linear-lanceolate to ovate-oblong, 0.5–0.8 cm, margins entire, apex filiform;

petiole 0.4–4.5 cm;

petiolules 1+ mm;

leaflets 3, blades linear-oblong to narrowly elliptic, 1–2 × 0.2–0.5 cm, base cuneate, veins fine, margins denticulate distally, apex mucronate, surfaces hairy.

terminal on branches, 10–50-flowered, globose or ovoid, disarticulating in fruit, 1.5–2.5 × 1.5–2.5 cm;

involucres absent, involucrelike structures formed by enlarged stipules.

axillary or terminal, 30–100-flowered, ovoid or cylindric, elongate in fruit, 1–2.3 × 0.9–1.2 cm;

involucres absent.

absent.

0.5–2.5 cm.

absent;

bracteoles absent.

straight, to 0.5 mm;

bracteoles obtuse, to 0.1 mm.

10–17 mm;

calyx campanulate, 7–11 mm, pilose, veins 20, tube 2–5 mm, lobes subequal, abaxial slightly longer, orifice hairy, open;

corolla purplish red, 10–14 mm, banner lanceolate, 10–14 × 1–2 mm, apex acute-acuminate.

5–8 mm;

calyx campanulate, 5–8 mm, villous, veins 10, tube 1.2–1.8 mm, lobes purple or pink, subequal, setacous, orifice open, hairy;

corolla white to pink, 3–6 mm, much shorter than calyx, banner narrowly ovate-elliptic, 5–5.5 × 1–1.5 mm, apex obtuse.

ovoid, leathery distally, transversely dehiscent, 2–3 mm.

ovoid, leathery distally, transversely dehiscent, 1.5–2 mm.

1, tan or brown, globose-ellipsoid, 1.5–2 mm, smooth, glossy.

1, yellow, globose, 1 mm, smooth, glossy.

= 10.

= 14.