Flora of North America species comparison

spreading, brown becoming grayish black, glabrous or finely stellate-hairy.

stipules oblong to elliptic or obovate, 6 × 2.5 mm, base broad, apex rounded and erose to apiculate or acute;

petiole 1–2.5(–3) cm;

blade broadly ovate to orbiculate, 2–6 × 2.5–6 cm, sometimes wider than long, base truncate to slightly cordate, 3- or 5-lobed, clefts between lobes may be shallow to deep, margins doubly crenate to doubly serrate, apex rounded, obtuse, or acute, surfaces glabrous or sparsely stellate-hairy (more so on abaxial veins).

15–20-flowered, fairly dense, hemispheric racemes, 2.5–4 cm diam.;

bracts narrowly obovate to spatulate, 4.5 mm, apex erose or acute.

8–15 mm, densely stellate-hairy.

5–8 mm diam.;

hypanthium campanulate, 1.5–2 mm, densely stellate-hairy;

sepals triangular to ovate, 2–3 mm, apex gland-tipped, surfaces densely stellate-hairy;

petals white, broadly elliptic to obovate or orbiculate, 4.5 × 4.5 mm;

stamens ca. 30, equal to or slightly exceeding petals;

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

1 or 2, pyriform, 1.5 mm.

2(3), ovoid, flattened, 2.5 mm (lengths not exceeding sepals), keeled apically, densely stellate-hairy, hairs white;

styles 2.5–3 mm.