Flora of North America species comparison

erect, sparsely short-hairy, glabrescent, eglandular, not pruinose.

deciduous, simple;

stipules lanceolate, 4–6 mm;

blade cordate to broadly ovate, (2–)2.5–4(–5) × (2.5–)3.5–4.5(–5.5) cm, base deeply cordate, 3–5-lobed, lobe apices acute to obtuse, margins coarsely doubly dentate, abaxial surfaces glabrous or sparsely hairy, eglandular or sparsely stipitate-glandular.

alternate, imparipinnately or palmately compound or simple;

stipules persistent [deciduous], free or adnate to petiole;

venation pinnate or palmate.

1-flowered.

moderately hairy, eglandular or sparsely stipitate-glandular.

bisexual;

petals white, obovate, (15–)20–25 mm;

filaments filiform;

ovaries glabrous, styles clavate, villous.

perianth and androecium perigynous;

epicalyx bractlets absent;

hypanthium flat to hemispheric;

torus flat or convex to conic;

carpels 5–150, styles apical, distinct;

ovules 2, apical, collateral, only 1 maturing.

deep red, hemispheric, to 1 cm;

drupelets 10–30, coherent, separating from torus.

aggregated drupelets;

styles persistent, not elongate.