Flora of North America species comparison

erect or ascending, branched.

erect to decumbent, branched.

palmate;

stipules linear-lanceolate, 1–3.5 cm, margins entire, apex subulate or setaceous;

petiole 0.5–10 cm;

petiolules 1 mm;

leaflet 3, blades obovate to oblong, elliptic or lanceolate, 0.5–4 × 0.5–1.5 cm, base cuneate, veins prominent, thickened, margins spinulose-denticulate, apex apiculate, surfaces glabrous.

palmate;

stipules oblong, 0.5–1.9 cm, margins entire, apex lanceolate-subulate;

petiole 0.3–5 cm;

petiolules 1 mm;

leaflets 3, blades ovate to obovate, 0.5–1.5 × 0.3–2 cm, base cuneate, veins fine, margins denticulate to dentate, apex rounded, truncate, or emarginate, surfaces hirsute.

terminal or axillary, 50–100+-flowered, globose, ovoid, or oblong, 3–6 × 2–3.5 cm;

involucres absent.

terminal, 40–60-flowered, globose or ovoid, burlike, not disarticulating at maturity, 1–1.4 × 1.8–2 cm;

involucres absent.

1–12 cm.

0.1–0.7 cm.

absent;

bracteoles lanceolate, 6–7 mm, acuminate.

straight, 0.5 mm;

bracteoles absent.

12–16 mm;

calyx urceolate, not bilabiate, inflated in fruit, 6–10 mm, glabrous, veins 20–36, connected by transverse veins in fruit, tube 3–5 mm, lobes reflexed, subequal, subulate, as long as tube, orifice constricted;

corolla white becoming pink, 12–15 mm, banner ovate, broadly clawed, striate, 12–15 × 2–4 mm, apex acute-acuminate.

7–9 mm;

calyx campanulate, 7–9 mm, glabrous, veins 20, tube 3 mm, lobes equal, longer than tube, setaceous becoming spinose, orifice hairy, open;

corolla pinkish white, 6–10 mm, banner elliptic, 6–9 × 1.5–2 mm, apex emarginate.

ellipsoid, 2.5–2.5 mm, shorter than calyx.

ovoid, leathery distally, transversely dehiscent, 1.5 mm, long-beaked.

2 or 3, brown, ovoid, 1–1.5 mm, roughened.

1, light brown, reddish, or yellow with reddish spots, ovoid, 1 mm, smooth, shiny.

= 16.

= 16.