Flora of North America species comparison

often decumbent, spreading, reddish brown becoming dark gray, glabrous or sparsely stellate-hairy.

stipules linear to narrowly elliptic or subulate, 4–5 × 1 mm, base attenuate, apex acute;

petiole 0.5–2.2 cm;

blade broadly ovate, 1.5–4 × 2–4.5 cm, sometimes wider than long, base usually truncate to cordate, rarely broadly cuneate, 0 or 1–5-lobed, margins doubly crenate to doubly serrate, apex rounded to obtuse, surfaces glabrous or sparsely stellate-hairy.

10(–15)–30-flowered, fairly dense, hemispheric racemes, 4 cm diam.;

bracts linear to narrowly elliptic or narrowly obovate, 2–4 mm, apex acute, rarely 2-fid.

8–18 mm, sparsely to moderately stellate-hairy.

8–10 mm diam.;

hypanthium cup-shaped, 1.7–2 mm, sparsely to moderately stellate-hairy;

sepals triangular to ovate, 3 mm, apex gland-tipped, surfaces sparsely to moderately stellate-hairy;

petals white, broadly elliptic to orbiculate, 4.5 × 4 mm;

stamens 20–40, ± equal to petals;

carpels (1)2(3), connate at least 1/2 their lengths, densely stellate-hairy.

1–3, pyriform, 2–2.5 mm.

(1)2(3), inflated, 2.5 mm (lengths shorter than sepals), densely stellate-hairy, hairs white;

styles 3.5 mm.

= 18.