Flora of North America species comparison

erect or ascending, cespitose, unbranched to sparsely branched distally.

erect or ascending, branched from base.

palmate;

stipules ovate to lanceolate, 1–5 cm, margins usually entire, sometimes slightly serrate proximally, apex acute or acuminate;

petiole 1–13 cm;

petiolules to 1 mm;

leaflets 3, blades linear, lanceolate to elliptic, or oblong, cauline sometimes ovate, 0.8–6 × 0.2–1.6 cm, base cuneate, veins slightly to very thickened, arching, margins entire or serrate, apex acute, surfaces glabrous abaxially, usually appressed-pubescent adaxially.

palmate;

stipules ovate-lanceolate, 0.4–0.8 cm, margins entire, apex acuminate, flared outward;

petiole 0.5–6 cm;

petiolules 1+ mm;

leaflets 3, blades obovate, elliptic, or narrowly elliptic, 0.8–2.5 × 0.4–1.6 cm, base cuneate, veins prominent, thickened abaxially, margins denticulate or serrate, apex rounded, acute, or apiculate, surfaces sparsely hairy.

terminal, 10–40-flowered, globose, ellipsoid, obconic, or subglobose, 1–3.5 × 1–3.2 cm;

involucres absent.

terminal and axillary, 15–50-flowered, obconic or obovoid, 1–2 × 1–1.6 cm;

involucres absent.

1–30 cm.

0.8–2 cm.

erect or reflexed in fruit, 0.5–2 mm;

bracteoles scalelike, 0.5 mm.

absent;

bracteoles absent.

10–19 mm;

calyx tubular, 4–10 mm, hairy or glabrous, veins 5–10, tube 2.5–3 mm, lobes unequal, linear, shorter than or to 6 times tube, orifice open;

corolla white, cream, pink, lavender, or purple, sometimes pale with purple tips, 10–18 mm, petals not beaked except subsp. multipedunculatum, banner ovate to oblanceolate, 10–18 × 3–4 mm, apex usually not beaked, usually obtuse, acute, or acuminate, rarely emarginate;

ovaries pubescent distally.

9–11 mm;

calyx campanulate, 5–8 mm, glabrescent, veins 10, tube 2–3 mm, lobes unequal, triangular-elliptic, stellate-spreading, orifice closed by bilabiate callosities;

corolla creamy white, 8–10 mm, banner oblong-spatulate, 8–10 × 2–3 mm, apex acute.

oblong to ellipsoid, 4–5 mm.

obovoid, leathery distally, transversely dehiscent, 1.6–2 mm.

1–4, dark brown, flattened globose, 2–3 mm, smooth.

1, tan or brown, ovoid, 1.2–1.4 mm, smooth, glossy.

= 16.