Flora of North America species comparison

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

ascending to erect, ± glabrous.

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 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.

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, dense, hemispheric racemes, 4 cm diam.;

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

1–1.5 cm, densely stellate-hairy.

1–2 cm, usually 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).

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).

2(–5), pyriform, 2.3–2.8 mm.

2(–5), pyriform.

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

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.

= 18.