Flora of North America species comparison

8–48(–60) cm.

10–55 cm.

petiole (0.9–)1.5–8.5(–14) cm, subglabrous or sparsely short stipitate-glandular and, sometimes, sparsely long stipitate-glandular, longer hairs spreading to retrorse, white, tan, or brown;

blade ovate-cordate, ± as long as wide, (1–)2.3–8.5 × (1–)2.1–8 cm, margins shallowly (3-), 5-, 7-, or 9-lobed, doubly crenate-dentate, glabrous, apex of terminal lobe acute to obtuse, surfaces subglabrous or sparsely long stipitate-glandular;

cauline leaves usually absent, sometimes 1, proximal or distal, sessile or petiolate, blade 0.2–3 × 0.2–2.2 cm.

petiole 2–15 cm, short stipitate-glandular and long stipitate-glandular, longer hairs retrorse or, sometimes, spreading, white, tan, or brown;

blade cordate or reniform, shorter than or sometimes ± as long as wide, (1.5–)2.5–10 × 2–8(–12) cm, margins 5- or 7-lobed, singly or doubly crenate, uniformly ciliate, apex of terminal lobe rounded to obtuse, surfaces glabrous or short stipitate-glandular and sparsely long stipitate-glandular;

cauline leaves absent.

1–3(–4), remotely 6–25-flowered, 1–2 flowers per node, not secund, 8–48(–60) cm, glabrous, subglabrous, or sparsely short stipitate-glandular proximally, short stipitate-glandular distally.

1–3(–6), closely 10–45-flowered, 1 flower per node, strongly secund, 10–55 cm, short stipitate-glandular and sparsely long stipitate-glandular proximally and distally.

1.5–5(–8) mm, short stipitate-glandular.

0.5–1.5 mm, short stipitate-glandular.

hypanthium broadly saucer-shaped, (0.6–)0.8–2 × (1.7–)2–2.8 mm;

sepals spreading or recurved, greenish yellow or greenish, triangular to broadly triangular, 0.6–1.1 × 0.7–1.2 mm;

petals greenish, 5–11-lobed, 1.5–3 mm, lobes linear, lateral lobes spreading;

stamens 5, alternate sepals;

filaments white, 0.1–0.2 mm;

anthers 0.2–0.3 × 0.5–0.7 mm;

ovary ± completely inferior;

styles divergent, flattened, 0.1–0.2 mm;

stigmas 2-lobed.

hypanthium turbinate-campanulate, 1.4–2.7 × 1.5–2.5(–3) mm;

sepals erect or with tips spreading, greenish white to white, sometimes purple-tinged, oblong, oblong-obovate, or widely ovate, 1–2.2 × 0.7–1.2 mm;

petals white, sometimes purple-tinged, 3-lobed or, sometimes, unlobed, 1.5–4 mm, lobes linear to lanceolate, lateral lobes ascending or spreading;

stamens 5, opposite sepals;

filaments white, 0.1–0.2 mm;

anthers 0.3–0.5 × 0.2–0.3 mm;

ovary ca. 2/3–3/4 inferior;

styles divergent, flattened, 0.1–0.2 mm;

stigmas unlobed.

reddish brown, 0.6–0.9 mm, pitted.

dark reddish brown to blackish, 0.8–1.2 mm, pitted.

= 14.

= 14.