Flora of North America species comparison

12–45 cm.

petiole 2.5–10 cm, subglabrous or short stipitate-glandular and long stipitate-glandular, longer hairs retrorse, white, tan, or brown;

blade cordate, cordate-ovate, or reniform, usually shorter than or sometimes ± as long as wide, 1.2–6 × 2–8 cm, margins shallowly 5- or 7-lobed, crenate, uniformly ciliate, apex of terminal lobe rounded to obtuse, surfaces short stipitate-glandular and sparsely long stipitate-glandular;

cauline leaves absent.

1–3, closely 4–20-flowered, 1 flower per node, weakly secund or not secund, 12–45 cm, short stipitate-glandular and, sometimes, sparsely long stipitate-glandular proximally and distally.

0.3–1.5 mm, short stipitate-glandular.

hypanthium campanulate, 1–1.5 × 1.5–2.5(–3) mm;

sepals erect or spreading, whitish or purple tinged, oblong to triangular-ovate, 0.8–1.5 × 1–1.3 mm;

petals white, sometimes pink or purple tinged, 3-lobed or, sometimes, unlobed, 1–3.5 mm, lobes lanceolate, lateral lobes ascending;

stamens 5, opposite sepals;

filaments white, 0.1–0.2 mm;

anthers 0.1–0.2 × 0.1–0.2 mm;

ovary ca. 1/2 inferior;

styles divergent, flattened, 0.1–0.2 mm;

stigmas unlobed.

dark reddish brown, 0.7–1 mm, pitted.

= 14.