Flora of North America species comparison

erect or ascending, branched.

erect or ascending, 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 lanceolate, 0.5–2.5 cm, margins entire or slightly serrate, apex acuminate;

petiole 0.5–5 cm;

petiolules to 1 mm;

leaflets 3, blades narrowly elliptic or lanceolate, 0.8–3 × 0.3–0.8 cm, base cuneate, veins thickened, margins setose-serrulate, apex acute, surfaces glabrous.

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

involucres absent.

axillary or terminal, 10–20-flowered, globose to subglobose, 0.5–2 × 0.5–2 cm, rachis prolonged beyond flowers;

involucres absent.

1–12 cm.

1–5 cm.

absent;

bracteoles lanceolate, 6–7 mm, acuminate.

becoming dramatically reflexed, 3–4 mm;

bracteoles low, broadly triangular, membranous, to 0.5 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.

5–9 mm;

calyx narrowly campanulate, 5–6.5 mm, glabrous, veins 10, tube 2–3 mm, lobes unequal, narrowly triangular to acicular, margins green or purple, membranous, orifice open;

corolla pink or purple, 5–9 mm, banner narrowly elliptic-oblong, 5–9 × 3–4 mm, apex narrowly rounded to acute.

ellipsoid, 2.5–2.5 mm, shorter than calyx.

ovoid-ellipsoid, 4–6 mm.

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

1 or 2, yellow, purple-mottled, mitten-shaped, 2 mm, smooth.

= 16.

= 16.