Flora of North America species comparison

erect, unbranched or sparsely branched.

erect, unbranched or sparsely branched.

palmate;

stipules lanceolate to ovate, 1.5–6.5 cm, margins setose-serrulate or entire, apex acuminate;

petiole 1.5–15 cm;

petiolules 1 mm;

leaflets 3, blades elliptic-oblanceolate to linear-elliptic, 3–9.5 × 0.5–1.6 cm, base cuneate, lateral veins prominent, recurved, dichotomously forked near margin, margins setose-denticulate to serrate, apex rounded or acute, surfaces glaucous, glabrous, sometimes sparsely pubescent abaxially.

palmate;

stipules ovate, 1–2 cm, margins wavy or toothed, apex blunt or ± tapering distally;

petiole 1–8 cm;

petiolules 1 mm;

leaflets 3, blades broadly ovate, 1–3 × 1–1.5 cm, base cuneate, veins fine, margins denticulate, apex emarginate or retuse, surfaces with spreading, pustulate-based hairs.

terminal or axillary, 30–50+-flowered, umbellate, globose to ovoid, 1.5–5 × 2–3.5 cm;

involucres absent.

terminal, 25–100-flowered, oblong, 2–7 × 1–2.5 cm;

involucres absent.

3–12 cm.

2–10 cm.

erect or slightly reflexed, to 0.2 mm;

bracteoles minute.

straight, 0.5 mm;

bracteoles absent.

14–16 mm;

calyx campanulate, 6–9 mm, pilose, veins 15–20, tube 1.5–3 mm, lobes unequal, narrow, triangular or subulate, abaxial lobe straight, lateral and adaxial tortuous, recurved inwards around corolla, orifice open;

corolla magenta, 12–16 mm, banner oblong, 12–16 × 4–6 mm, apex flared, acute or obtuse;

ovaries glabrous or pubescent distally.

10–15 mm;

calyx tubular-campanulate, 10 mm, villous, veins 10, tube 3–4 mm, lobes equal, longer than tube, spreading in fruit, orifice narrowly opening;

corolla usually scarlet to red, rarely pink or white, 11–17 mm, banner oblong-elliptic, much longer than wing and keel petals, 10–16 × 2 mm, apex acute.

ovoid, 3–4.5 mm.

ovoid, leathery distally, transversely dehiscent, 2.5–3 mm.

1 or 2, tan to brown, ovoid, 1–1.5 mm, slightly roughened.

1, reddish, ellipsoid, 2–2.5 mm, smooth, glossy.

= 16.

= 14.