Flora of North America species comparison

petiole 1–3 cm, pilose and stipitate-glandular;

blade pentangular, 3–5-lobed, cleft (1/3–)1/2–3/4 to midrib, 1.7–5 cm, base truncate to cordate, surfaces glabrate or pubescent abaxially, pilose and sometimes with stipitate-glandular hairs adaxially, lobes deltate or cuneate-deltate, margins with rounded teeth, apex rounded or broadly acute.

petiole 1–2 cm, glabrous;

blade ovate to obovate, 3-lobed, cleft barely 1/8 to midrib, 1.5–3.5 cm, base cuneate to rounded, surfaces glabrous abaxially, strigillose adaxially, lobes rounded, margins deeply serrate, apex obtuse.

spreading, solitary flowers or 2(–4)-flowered corymbs, 4–5 cm, axis pilose and stipitate-glandular.

nodding, 10–15-flowered racemes, staminate 2–3 cm, pistillate 1–2 cm, axis glabrous, glandular, flowers evenly spaced.

not jointed (sometimes with abcission layer at bract junction), 5–16 mm, glabrous or pilose and stipitate-glandular;

bracts lanceolate to ovate, 1.5–2.5 mm, hairy and glandular on margins.

jointed, 2–4 mm, pubescent and stipitate-glandular;

bracts lanceolate to ligulate, 4–6 mm, glabrous.

hypanthium greenish white, campanulate, 1.8–4 mm, glabrous or scattered-hairy;

sepals not overlapping, erect to recurved, greenish, oblong, 1.5–4 mm;

petals widely separated, erect, white, obovate, not conspicuously revolute or inrolled, 1–2.5 mm;

nectary disc not prominent;

stamens as long as or slightly longer than petals;

filaments linear, 1–2 mm, glabrous;

anthers greenish yellow, oval, 0.4–0.6 mm, apex rounded;

ovary setose with eglandular or gland-tipped bristles, sometimes sparsely villous;

styles connate to middle or 0.8 mm proximal to stigmas, 4.5–7 mm, villous on proximal 1/2 or glabrous.

unisexual;

hypanthium yellowish green, rotate, 1–1.5 mm, glabrous;

sepals not overlapping, erect, greenish, ovate, 1.5–2 mm;

petals widely separated, erect, greenish yellow, cuneate-orbiculate, not conspicuously revolute or inrolled, 0.5–1 mm;

nectary disc not seen;

stamens nearly as long as petals;

filaments linear, 0.2–0.5 mm, glabrous;

anthers cream, dumbbell-shaped, 0.2 mm, apex with depressed callus, (pollen absent in pistillate flowers);

ovary (absent in staminate flowers) glabrous;

styles connate almost to stigmas, 0.5 mm, glabrous.

palatable, greenish to pale red, globose, 7–15 mm, densely bristly or spiny.

palatable, red, globose to globose-ovoid, 5–10 mm, glabrous.

= 16.