Flora of North America species comparison

erect, sometimes suckering, angled, glabrous or finely stellate-hairy.

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

stipules linear to narrowly elliptic, 4 × 0.5–2 mm;

petiole 1–2(–3) cm;

blade broadly ovate to obovate, (3–)4–8 cm, usually as wide as long, base rounded to truncate or slightly cordate, 3- or 5-lobed, margins irregularly crenate to doubly serrate, apex obtuse to acute, abaxial surface paler, glabrous or more densely stellate-hairy, adaxial glabrous or sparsely 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).

30–50-flowered, dense, hemispheric racemes, 3 cm diam., sometimes compound with some proximal pedicels becoming secondary peduncles;

bracts narrowly elliptic to spatulate, 4 × 2 mm, apex acute or erose-dentate, faces glandular.

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

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

1–1.5 cm, densely stellate-hairy.

8–15 mm, densely stellate-hairy.

5–8 mm diam.;

hypanthium cup-shaped, 2 mm, densely stellate-hairy;

sepals pale green to white, darker in center, triangular, 2–3 mm, apex gland-tipped, surfaces densely stellate-hairy;

petals white, broadly elliptic to orbiculate, 3–4 × 3–4 mm;

stamens equal to or exceeding petals;

carpels 3–5, connate basally, mostly glabrous, sometimes hairy (on ventral suture).

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.

2(–5), pyriform, 2.3–2.8 mm.

1 or 2, pyriform, 1.5 mm.

3–5, connate basally, shiny brown, ovoid, 5–7 mm (lengths slightly exceeding sepals), glabrous;

styles 2.5–3 mm.

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

styles 2.5–3 mm.

= 18.