Flora of North America species comparison

petiole 2–10 cm, sparsely pubescent;

blade ovate, deeply 5–7-lobed, cleft 1/2+ to midrib, (1.5–)2–10(–22) cm, base cordate, surfaces with yellow, dull, sessile glands and sparse hairs abaxially, with yellow, shiny, sessile glands and glabrous adaxially, lobes with main segments ovate-lanceolate, margins 1–2 times sharply serrate, apex acute, shallowly lobed.

petiole 0.5–4(–6) cm, glabrous or pubescent and stipitate-glandular;

blade broadly reniform to broadly ovate, 3–5-lobed, cleft 1/3–1/2 to midrib, 0.8–5 cm, base truncate to rounded-cuneate, surfaces finely pubescent or only between veins abaxially, lobes broad, rounded ternately, margins 1 or 2 times crenate-dentate, apex mucronate or apiculate.

ascending to erect, 20–50-flowered racemes, (10–)15–30 cm, axis sparsely pubescent, flowers evenly spaced.

pendent, solitary flowers or 2–4(–5)-flowered racemes, 4–6 cm, axis glabrous or pubescent, flowers evenly spaced.

jointed, 5–12 mm, pubescent and glandular;

bracts conspicuous, proximal ones ovate, lobed, distal ones narrowly oblong, unlobed, (3–)4–5 mm, sparsely glandular and pubescent.

not jointed, 4–15 mm, glabrous;

bracts lanceolate, 1.2–3 mm, glabrous or finely ciliate.

hypanthium green, saucer-shaped, widely flared, 0.5–1.5 mm, ± pubescent and sparsely glandular abaxially, glabrous adaxially;

sepals nearly to somewhat overlapping, spreading, brownish purple to greenish or sometimes nearly white, ovate-lanceolate to oblong-lanceolate, 3–5 mm;

petals widely separated, erect, white, cuneate-flabelliform, not conspicuously revolute or inrolled, 1 mm;

nectary disc wine red, thick, lobed, covering and submerging ovary;

stamens slightly longer than petals;

filaments linear to slightly broader at base, 1 mm, glabrous;

anthers white, transversely oblong-cordate, 0.5 mm, broader than long, apex shallowly notched;

ovary somewhat hairy and densely sessile-glandular;

styles connate 1/4–1/2 their lengths, 1 mm, glabrous or hairy.

hypanthium white, pale greenish, greenish white, or cream, narrowly campanulate, 1.6–3 mm, glabrous, rarely very sparsely hirsute;

sepals not overlapping, sharply reflexed, white or very slightly pinkish, narrowly oblong to narrowly oblanceolate, 5–8 mm;

petals connivent, erect, white or very slightly pinkish with red veins, oblong to cuneate-obovate, not conspicuously revolute or inrolled, 1.7–3.2 mm;

nectary disc not prominent;

stamens 2.5–3 times as long as petals;

filaments linear, 6.5–9(–10) mm, finely pilose;

anthers cream to greenish, ovate-oblong, 0.8–1.6 mm, apex rounded;

ovary glabrous;

styles connate 1/2+ their lengths, 8–14 mm, pilose on proximal 1/2–3/4.

bland, black, subglobose, 8–10 mm, glandular.

palatable but sour, yellow-green, becoming blue-black to purple, globose, 5.5–12 mm, glabrous.

= 16.

= 16.