Flora of North America species comparison

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

ascending to erect, ± glabrous.

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).

stipules linear to narrowly ovate, 6 × 1.5 mm, apex acute;

petiole 0.7–1.5 cm;

blade orbiculate to broadly ovate, 3–6 × 2–4 cm, usually longer than wide, base broadly cuneate to truncate or slightly cordate, 3(–5)-lobed, margins deeply and irregularly crenate to doubly crenate, apex rounded to obtuse or acute, surfaces mostly glabrous, sometimes sparsely hairy abaxially.

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

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

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

bracts elliptic to spatulate or rhombic, 5 × 2 mm, apex not recorded, faces glandular-dentate.

8–15 mm, densely stellate-hairy.

1–2 cm, usually 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.

10–12 mm diam.;

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

sepals pale green to white, darker in center, triangular, 2.5–3.2 mm, apex sometimes obtuse, mucronate, gland-tipped, surfaces densely stellate-hairy;

petals white, broadly elliptic to orbiculate, 5–6 × 5–6 mm;

stamens shorter than or equal to petals;

carpels 3–5, connate basally, densely stellate-hairy (sometimes only on sutures).

1 or 2, pyriform, 1.5 mm.

2(–5), pyriform.

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

styles 2.5–3 mm.

3–5, connate basally, ovoid, 5–8 mm (lengths ca. 2 times sepals), densely stellate-hairy (sometimes only on sutures);

styles 4–5 mm.

= 18.