Flora of North America species comparison

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

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

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.

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.

1–1.5 cm, densely stellate-hairy.

8–18 mm, sparsely to moderately 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).

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.

2(–5), pyriform, 2.3–2.8 mm.

1–3, pyriform, 2–2.5 mm.

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

styles 2.5–3 mm.

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

styles 3.5 mm.

= 18.

= 18.