Flora of North America species comparison

spreading to ascending, branched.

erect, densely branched.

petiole 1–4 mm;

blade ovate to elliptic, 1–4 × 1–2(–3) cm, chartaceous, base usually obtuse, sometimes acute, margins crenate to serrate distally from middle, venation pinnate craspedodromous, secondary veins prominent, apex usually obtuse, sometimes acute, abaxial surface glabrous or puberulent, adaxial glabrous.

petiole 5–10 mm;

blade ovate to ovate-lanceolate, 4–8 × 1.5–4 cm, membranous, base obtuse, margins usually coarsely, irregularly, sharply serrate to serrulate in distal 2/3, sometimes 2-serrate, venation pinnate simple craspedodromous, secondary veins not prominent, apex acute, surfaces glaucous, glabrous.

mostly terminal, corymbiform or hemispheric panicles, 100–1000+-flowered, 2–4 × 2–4 cm height 0.8–1 times diam.;

branches glabrous or puberulent.

mostly axillary, racemiform, corymbiform, or hemispheric panicles, (2–)3–10 × 2–5 cm;

branches glabrous.

1–3(–5) mm, glabrous or puberulent.

5–10 mm, glabrous.

2–4 mm diam.;

hypanthia hemispheric, 0.5–1.1 mm, abaxial surface glabrous or pubescent, adaxial pubescent;

sepals triangular, 0.8–1 mm;

petals light to dark pink, ovate to obovate, 1–2.5 mm, veins prominent;

staminodes 5–10, reduced, fused, appearing as scalloped ring;

stamens 35–40, 2 times petal length.

5–12 mm diam.;

hypanthia campanulate, 1.5–2 mm, abaxial surface glabrous, adaxial glabrous to puberulent;

sepals ovate-triangular, 2.5–3 mm;

petals white, broadly ovate, 4–6 mm, apex notched or erose;

staminodes 0;

stamens 35–50, 2 times petal length.

oblanceoloid, 2–3 mm, shiny, glabrous, adaxial suture sparsely ciliate.

asymmetrical fusiform, 2–3 mm, glabrous or pubescent.

= 18.