Flora of North America species comparison

erect or decumbent, branched.

erect or decumbent, branched.

palmate;

stipules lanceolate or ovate, 1–5 cm, margins entire or denticulate, apex acuminate or acute;

petiole 1–15 cm;

petiolules 1 mm;

leaflets 3, blades linear, linear-elliptic, elliptic, lanceolate, lanceolate-oblong, or obovate, 1–5 × 0.4–1.2 cm, base cuneate, veins fine or ± thickened, margins denticulate or serrulate, apex acuminate or acute, surfaces appressed-pubescent abaxially, glabrous, densely villous, or sparsely or densely pilose adaxially.

palmate;

stipules sheathing proximally, ovate-oblong to lanceolate, 0.4–1.3 cm, margins entire or serrulate, apex short triangular-cuspidate;

petiole 1–5 cm;

petiolules to 1 mm;

leaflets 3, blades lanceolate, linear, obovate, or oblanceolate, 0.4–2.5 × 0.1–0.7 cm, base cuneate, veins moderately thickened abaxially, margins entire, serrate, or pinnately lobed, apex rounded, truncate, acute, or retuse, surfaces glabrous.

terminal or axillary, 25–70-flowered, inverted or horizontal, ellipsoid or globose to subglobose, 2–3 × 1–3 cm, rachis prolonged beyond flowers;

involucres absent.

axillary or terminal, 3–15-flowered, globose or depressed-globose, 0.5–1.5 × 0.5–1.5 cm;

involucres flattened, 3–13 mm, ± distinct or incised 1/2 their length, lobes 5–7, linear to elliptic or irregular, or vestigial, reduced to narrow ring, apex rounded to broad and irregularly erose, not split.

bent distally, proximal to flowers, 3–18 cm.

2–6 cm.

reflexed, to 0.3 mm;

bracteoles absent.

straight, 0–0.5 mm;

bracteoles absent.

9–18 mm;

calyx campanulate, curved in fruit, 4–11 mm, villous, veins 10, tube 1.5–2.5 mm, lobes unequal, 2–3 times tube, subulate, often strongly curved and twisted, plumose, orifice open;

corolla white, cream, or purple, 8–16 mm, banner oblanceolate, 8–16 × 3–5 mm, apex rounded or retuse, recurved;

ovaries pubescent distally.

3–10 mm;

calyx campanulate, 2–5 mm, glabrous, veins 5, tube 1–2.5 mm, lobes unequal, triangular-lanceolate or subulate, orifice open;

corolla white or pink, 3–11 mm, inflated in fruit, banner broadly ovate, 4–7 × 3–8 mm, apex rounded, broad, acute, or retuse.

ovoid, 2–3.5 mm.

sessile or stipitate, ovoid, obovoid, or oblong, 2–4 mm.

(1 or)2–4, yellow-brown to brown, mitten-shaped or subglobose, 1.2–2 mm, smooth.

1–6, gray or tan, mottled, mitten-shaped, 1.2–1.6 mm, irregularly bumpy.

= 16.