Flora of North America species comparison

erect, ascending, or decumbent, branched from base.

erect, unbranched to sparsely branched.

palmate;

stipules lanceolate-ovate, 0.9–1.1 cm, margins entire, apex acute-acuminate, setaceous, ciliate;

petiole 0.5–5 cm;

petiolules 0.5 mm;

leaflets 3, blades obovate to oblong, 0.9–1.6 × 0.4–1 cm, base cuneate, veins fine, margins denticulate, apex obtuse, obcordate, or emarginate, surfaces hairy.

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.

axillary or terminal, solitary or paired, 20–60-flowered, ovoid or oblong, 0.8–1.6 × 0.6–1 cm;

involucres absent.

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

involucres absent.

0–1 cm.

1–2.2 cm.

absent;

bracteoles absent.

erect, 0.5 mm;

bracteoles absent.

5–7 mm;

calyx ellipsoid to urceolate, 3–4 mm, hairy, veins 10, tube 2–3 mm, lobes erect or spreading, unequal, abaxial longest and equal to tube, subulate, orifice open;

corolla pink, 25–35 mm, banner oblong, 2.5–3.5 × 1.5–2 mm, apex retuse.

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, leathery distally, transversely dehiscent, 2–2.5 mm.

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

1, tan or reddish brown, globose to ovoid, 1–1.5 mm, smooth, glossy.

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

= 14.

= 14, 16.