Flora of North America species comparison

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

decumbent, 0.7–7.5 dm.

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.

stipules 5–15(–23) × (3.5–)5.5–10(–15) mm;

blade (1–)2–8.5 × 1.5–9.5 cm, sinuses between lobes of cauline leaves extending to within 5–15 mm of petiole.

racemose;

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

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.

7–11 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.

bractlets 6–17.5 × 1.5–3.5 mm.

usually reddish purple with white basal spot, rarely white, (1.5–)1.9–3.2 cm (male sterile 0.8–2 cm).

hairy, hairs simple.

= 30, 60.