Flora of North America species comparison

erect, green, usually sparsely branched, herbaceous, somewhat succulent, glabrous; short shoots absent;

latex watery, colorless.

± evenly distributed on long shoots;

stipules persistent, 4–10 mm, filiform-divided;

petiole 4.8–10.5(–13.5) cm, not stipitate-glandular;

blade cordate in outline, 11–16 × 9.3–11.2 cm, (3–)5–7(–9)-lobed to middle, base cordate, margins coarsely dentate, apex acuminate, membranous, abaxial surface glabrous, adaxial glabrous, except puberulent on veins, margins sometimes puberulent or with setae;

venation palmate.

bisexual, terminal and subterminal, cymes;

peduncle 1.5–4.5 cm;

bracts (6–)8–16 mm, margins serrate, glabrous.

2.5–4 mm.

sepals distinct or connate to 1/2 length, lanceolate, 5–7 × 1–2 mm, margins deeply divided, apex acuminate, surfaces glabrous;

corolla light pink, often with white striations, rotate, petals distinct or connate 1/4 length, 8–11.5 × 2.5–4.5 mm, surfaces glabrous;

stamens 8(–9) in 2 whorls (5 + 3);

filaments of outer whorl distinct, of inner whorl connate to 1/2 length, outer whorl 3.5–6 mm, inner whorl 4.5–9 mm.

resembling staminate, but slightly larger;

carpels 3;

styles distinct or connate only at base, 3.5–4 mm.

± spheric, 1.2–1.3 × 1.2–1.3 cm, distinctly 3-lobed, explosively dehiscent.

pale gray, ellipsoidal, 8–9 × 6–6.5 mm;

caruncle prominent.

= 22.