Flora of North America species comparison

erect, unbranched or sparsely branched.

erect, unbranched to 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 lanceolate to linear, 0.5–2.2 cm, margins entire, apex lanceolate-linear;

petiole 2–3 cm;

petiolules 1+ mm;

leaflets 3, blades linear-lanceolate, 3–5 × 0.2–0.4 cm, base cuneate, veins fine, margins entire, apex acute, surfaces hairy.

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

involucres absent.

terminal, 25–75-flowered, spicate, cylindric or conic, 3–8 × 1.5–2 cm;

involucres absent.

3–12 cm.

1–2.2 cm.

erect or slightly reflexed, to 0.2 mm;

bracteoles minute.

erect, 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.

10–13 mm;

calyx tubular, 8–13 mm, tuberculate with appressed, stiff hairs, veins 10, tube 3–5 mm, lobes unequal, abaxial lobes longest, subulate-setaceous, spreading stellate in fruit, orifice closed by bilabiate callosities, hairy;

corolla usually pale pink or purple, rarely white, 9–12 mm, banner ovate-elliptic, 9–12 × 2–2.5 mm, apex notched.

ovoid, 3–4.5 mm.

ovoid, leathery distally, transversely dehiscent, 2.2–2.5 mm.

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

1, light brown or yellow, ovoid, 1.6–2 mm, smooth, glossy.

= 16.

= 14, 16.