Flora of North America species comparison

2–4(–10), weakly erect, ascending, or decumbent, 3–10 dm, glabrate or hairy, hairs 4-rayed, stellate, or scattered, simple.

4–11(–21), decumbent to weakly erect, 0.5–8 dm, hairy, hairs stellate, 4-rayed, and simple.

stipules persistent, oblong, ovate, or rhombic-ovate, 4.3–10(–12) mm;

petiole 2–25(–36) cm;

blade hastate, cordate, triangular, or ovate, 3- or 5(–7)-lobed, 3–11 × 3.5–13 cm, surfaces hairy, hairs 4-rayed and simple, lobes narrowly lanceolate, linear, linear-falcate, or lanceolate-falcate.

stipules persistent, ovate to ovate-lanceolate, somewhat auriculate, 2.5–15(–23) mm;

petiole 0.7–13(–23.5) cm;

blade suborbiculate to ovate, 3–5-lobed, 1–8.5 × 1–12 cm, surfaces hairy, hairs stellate and simple abaxially, mostly simple adaxially, lobes oblong, obovate, or inversely trowel-shaped.

racemose;

involucellar bractlets 3, rarely absent, narrowly linear, 2–10.5 × 0.1–1.7 mm.

racemose;

involucellar bractlets 3, linear to ovate, 4.5–17.5 × 0.5–3.5 mm.

bisexual;

calyx lobes valvate in bud, forming apiculate or acuminate point;

petals reddish purple without white basal spot, 2.2–4 cm.

bisexual or functionally pistillate;

calyx lobes distinct and divergent in bud, not forming point;

petals reddish purple with white basal spot, white, or mauve with white margins.

7.7–11.2 mm diam.;

mericarps 12–20, 2.8–4.2 × 2–3.5 mm, glabrous or sparsely hairy, indehiscent;

beaks not prominent, 0.7–1.7 mm;

collars scarcely differentiated.

7–11 mm diam.;

mericarps 10–28, 2–5.5 × 1.7–3.8 mm, glabrous or hairy, indehiscent;

beaks not prominent, 0.7–2.1 mm;

collars weakly to well developed, 2-lobed.

= 56, 112.