Flora of North America species comparison

erect, ascending, or decumbent, branched.

erect, unbranched or branched distally.

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 adnate entire length of petiole, sheathing, lanceolate-oblong, 0.8–1.3 cm, margins sharply and finely serrate, pilose, apex acute;

petiole 0.5–0.7 cm;

petiolules 0.5 mm;

leaflets (3–)5(–9), blades elliptic to linear-elliptic, 1–4 × 0.3–1.4 cm, base cuneate, veins prominent, cartilagenous, ending in sharp, curved teeth, margins setaceous, apex acute to obtuse, surfaces glabrous except midrib abaxially.

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.

terminal or axillary, 10–30-flowered, hemispheric or globose, 1.7–2.3 × 2.7–3.3 cm;

involucres oblique, to 0.5 mm, wavy to toothed.

± 0 cm, subtended by stipules of distal leaves.

1–5 cm.

straight, 0–1 mm;

bracteoles absent.

erect or horizontal, 1–3 mm;

bracteoles broadly shell-shaped, sometimes connate into lobed ridge, 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.

11–17 mm;

calyx campanulate, oblique, 6–9 mm, glabrous or sparsely hairy distally and along veins, veins 10, tube 3 mm, lobes subequal, pilose, abaxial slightly longer, subulate, orifice open;

corolla white to rose-purple, 10–15 mm, banner rolled into open tube, arched upwards distally, 10–15 × 4–5 mm, apex broadly rounded or acute, apiculate.

oblong, leathery distally, transversely dehiscent, 3 mm.

oblong, 6–8 mm.

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

3–6, dark brown or gray-brown, globose-reniform, 1.5–2 mm, slightly roughened, dull.

= 14.

= 16, 32, 40, 48.