Flora of North America species comparison

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

spreading to ascending, ± 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 narrowly ovate, 6–10 × 1.5–2.5 mm, apex acute;

petiole 1–3 cm;

blade ovate to obovate, 6–8.5(–10) × 4–7(–10) cm, usually longer than wide, base broadly cuneate to truncate, 3(–5)-lobed, margins irregularly serrate, apex obtuse to rounded, 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.

30–50-flowered, open, hemispheric racemes, 5 cm diam.;

bracts elliptic to spatulate or rhombic, 5 × 2.5 mm, apex acute to 3-fid or coarsely erose, faces glandular.

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).

7–10 mm diam.;

hypanthium cup-shaped, 1.5–2 mm, glabrous or sparsely stellate-hairy;

sepals pale green to white, darker in center, triangular, 1.5–2.5 mm, apex mucronate, gland-tipped, surfaces usually stellate-hairy;

petals white to pale pink, broadly elliptic to orbiculate, 4–5 × 4–5 mm;

stamens equal to or exceeding petals, anthers purplish;

carpels 3–5, connate basally, sparsely stellate-hairy, glabrescent.

2(–5), pyriform, 2.3–2.8 mm.

2(–5), pyriform, 2 mm.

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

styles 2.5–3 mm.

3–5, connate basally, bright red to brownish red, ovoid, 5–10 mm (lengths ca. 2 times sepals), sparsely stellate-hairy, ± glabrescent;

styles 4 mm.

= 18.

= 18.