Flora of North America species comparison

10–55 cm.

13–45 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.

petiole 1.5–14 cm, short stipitate-glandular and, usually, long stipitate-glandular, longer hairs spreading to retrorse, white;

blade broadly cordate to broadly ovate, ± as long as wide, 1.2–6.5(–8.5) × 1.4–7(–8.2) cm, margins 3-, 5-, or 7-lobed, crenate-dentate, irregularly ciliate, apex of terminal lobe acute to obtuse, surfaces short stipitate-glandular and sparsely long stipitate-glandular;

cauline leaves 1–3, proximal or mid cauline, alternate, sessile or petiolate, blade 0.3–4.3(–6) × 0.4–4.4(–7) cm.

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.

1–2(–4), remotely 5–25-flowered, 1(–2) flowers per node, (anthesis basipetalous), not secund, 13–45 cm, short stipitate-glandular and sparsely long stipitate-glandular proximally, short stipitate-glandular distally.

0.5–1.5 mm, short stipitate-glandular.

2–8 mm, short stipitate-glandular.

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.

hypanthium broadly campanulate, 1.5–2 × 3–5.5 mm;

sepals spreading or recurved, greenish, deltate-ovate, 0.9–1.5 × 1.4–2 mm;

petals whitish green or greenish, sometimes purple tinged proximally, 5–9-lobed, 3–4 mm, lobes linear, lateral lobes spreading;

stamens 5, opposite sepals;

filaments usually purple proximally and white distally, sometimes entirely white, 0.6–0.9 mm;

anthers 0.2–0.4 × 0.2–0.4 mm;

ovary 1/2 inferior;

styles erect or spreading, cylindric, 0.8–1.1 mm;

stigmas unlobed.

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

reddish purple or dark reddish brown, 0.7–1 mm, pitted.

= 14.

= 14.