Flora of North America species comparison

cespitose, branched.

erect or ascending, branched.

palmate;

stipules ovate to lanceolate, 0.8–1 cm, margins irregularly lobed, apex acuminate;

petiole 1–16.5 cm;

petiolules 0.5 mm;

leaflets 3–7, blades obovate or elliptic, 0.9–1.9 × 0.5–0.8 cm, base cuneate, veins prominent abaxially, margins coarsely dentate, apex rounded, acute, or mucronate, surfaces strigose.

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.

terminal or axillary, 15–30-flowered, globose to subglobose, 2–3 × 2–3 cm;

involucres a narrow membranous, dentate rim, to 0.2 mm.

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

involucres absent.

sharply bent distally, just below flowers, 5–15 cm, surpassing leaves.

1–12 cm.

reflexed in fruit, 2–3 mm;

bracteoles minute, cuplike, membranous, minute.

absent;

bracteoles lanceolate, 6–7 mm, acuminate.

11–13 mm;

calyx purple, campanulate, 3–5 mm, slightly pilose, veins 5 (obscure), tube 2–2.5 mm, lobes subequal, subulate, orifice open;

corolla white to pink, 10–12 mm, banner oblong-obovate, 10–12 × 4–5 mm, apex rounded, emarginate.

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.

oblong, 3.2–3.5 mm.

ellipsoid, 2.5–2.5 mm, shorter than calyx.

1, dark brown, ellipsoid, 2.5–3 mm, smooth.

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

= 16.