Flora of North America species comparison

erect or ascending, branched.

cespitose, numerous, short, branched from woody crown.

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 ovate to lanceolate, 0.5–1.5 cm, margins entire or irregularly dentate, apex acute to acuminate;

petiole 1.5–10 cm;

petiolules to 0.5 mm;

leaflets 3–5, blades ovate, obovate, oblong, or elliptic, 0.8–3 × 0.2–1.8 cm, base cuneate, veins thickened distally, margins spinose-dentate, apex rounded or acute, surfaces usually pubescent, sometimes glabrous adaxially.

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

involucres absent.

terminal, 6–15-flowered, subglobose, 1–2 × 1.3–2.4 cm;

involucres a narrow, membranous, dentate rim, 0.5 mm.

1–12 cm.

1–6.5 cm, ± surpassing leaves, not bent distally.

absent;

bracteoles lanceolate, 6–7 mm, acuminate.

erect, those of proximal flowers sometimes reflexed, 1–4 mm;

bracteoles ovate-triangular, to 0.8 mm.

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.

7.5–13 mm;

calyx tubular-campanulate, 4–7.5 mm, strigose, veins 10, tube 2–3 mm, lobes subequal, narrowly triangular, orifice open;

corolla pink-purple, often with whitish tips, sometimes nearly wholly whitish, 7–12 mm, banner oblong, 7–14 × 5–7 mm, apex rounded, usually retuse.

ellipsoid, 2.5–2.5 mm, shorter than calyx.

ovoid, 4–5 mm.

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

1, tan to brown, mitten-shaped, 3–4.5 mm, roughened.

= 16.