Flora of North America species comparison

erect, ascending, or decumbent, branched.

erect or ascending, branched.

palmate;

stipules broadly triangular, 1–2 cm, margins entire, sometimes ciliate, apex mucronate or setaceous;

petiole 1–9 cm;

petiolules 1 mm;

leaflets 3, blades elliptic to obovate, 1.5–5 × 0.7–1.5 cm, base cuneate, veins prominent, margins subentire, apex obtuse, acute, or retuse, surfaces appressed-pubescent.

palmate;

stipules ovate-lanceolate, 0.5–2.5 cm, membranous, margins entire or slightly serrate, apex long-acuminate;

petiole 0.5–9 cm;

petiolules to 0.5 mm;

leaflets 3, blades obovate to obcordate, 0.5–2.5 × 0.2–1.5 cm, base cuneate, veins moderately thickened, margins setose-serrulate, apex rounded, shallowly retuse, surfaces glabrous.

terminal, solitary or paired, 75–100+-flowered, globose or ovoid, 1.2–7.7 × 0.7–2.2 cm;

involucres absent, involucrelike structures formed of stipules of distalmost leaves.

axillary or terminal, 10–25-flowered, globose to subglobose, 0.5–2 × 0.5–2 cm, rachis prolonged beyond flowers;

involucres a narrow, membranous, dentate rim, to 0.5 mm.

± 0 cm, subtended by stipules of distal leaves.

1–9 cm.

straight, 0–1 mm;

bracteoles absent.

becoming dramatically reflexed, 3–4 mm;

bracteoles low, cuplike, membranous, to 0.5 mm.

15–18 mm;

calyx tubular-campanulate, 8–11 mm, hairy, veins 10, tube 3–4 mm, lobes unequal, adaxial equaling tube, lateral and abaxial 2 times tube, orifice hairy, slightly closed;

corolla usually rose-purple, rarely pink or white, 13–18 mm, banner elliptic-ovate, 10–13 × 3–5 mm, apex narrowly rounded.

5–7.5 mm;

calyx narrowly campanulate, 4.5–6.5 mm, glabrous, veins 10, tube 2–2.5 mm, lobes unequal, long-triangular, margins green or purple, orifice open;

corolla white, pink, or purple, 5–8 mm, banner ovate, 5–8 × 3–4 mm, apex broadly rounded, retuse or apiculate.

oblong, leathery distally, transversely dehiscent, 3 mm.

ovoid-ellipsoid, 4–6 mm.

1 or 2, yellow, yellow-brown, or purple, ovoid, 1.6–2 mm, smooth, dull.

1 or 2, tan to brown, mitten-shaped, 1.1–1.5 mm, smooth.

= 14.

= 16.