Flora of North America species comparison

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.

petiole 3–6 cm, puberulent with stalked glands;

blade pentagonal with nearly parallel sides, 3–5-lobed, cleft less than 1/2 to midrib, 2 middle sinuses deepest, to 8.5 cm, base broadly truncate to shallowly cordate, surfaces not glandular, ± hairy abaxially, glabrous adaxially, lateral lobes (directed forward), broadly triangular to ovate-triangular, margins coarsely bicrenate-dentate, apex acute.

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

pendent, 6–13-flowered racemes, 3–5 cm, axis glabrous or sparsely pubescent, glands short-stipitate, flowers evenly spaced.

not jointed, 4–15 mm, glabrous;

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

jointed, 1–4 mm, short stipitate-glandular;

bracts ovate-orbiculate to oblong, 1.5–2 mm, stipitate-glandular.

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.

hypanthium dark reddish purple or greenish white and strongly purplish-maculate or tinged, saucer-shaped, to 1 mm, glabrous;

sepals with adjacent lobes overlapping, spreading, greenish purple, cuneate-rhombic, 2 mm;

petals widely separated, erect, reddish purple, spatulate, not conspicuously revolute or inrolled, 1 mm;

nectary disc prominent, reddish purple, 5-lobed, covering top of ovary;

stamens nearly as long as petals;

filaments linear, 0.2–0.5 mm, glabrous;

anthers white, transversely oblong-cordate, 0.2–0.3 mm, apex shallowly notched (anther sacs almost adjacent);

ovary glabrous;

styles connate 1/3–3/4 their lengths, 1–1.2 mm, glabrous.

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

sour-tasting, red, ovoid, 6–10 mm, glabrous.

= 16.