Flora of North America species comparison

spreading to ascending, branched.

erect to arching, 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 3–8 mm, sparsely hairy;

blade ovate to elliptic or suborbiculate, 2–10 × 1–2.5 cm, coriaceous, base obtuse, rounded, or subcordate, margins irregularly, coarsely and sharply doubly serrate from midpoint to apex, teeth acute and mucronate, number of primary and secondary serrations 1 times number of secondary veins (excluding inter-secondary veins), venation pinnate cladodromous, secondary veins not prominent, apex acute, obtuse, or rounded, abaxial surface mostly glabrous, adaxial 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 terminal, corymbiform, 2–5 × 3–10 cm height 0.4–1.1 times diam.;

branches rarely in axils of leaves, glabrous or glabrate.

1–3(–5) mm, glabrous or puberulent.

1–3 mm, glabrous or glabrate.

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.

4–7 mm diam.;

hypanthia hemispheric, 0.8–1 mm, abaxial surface glabrous or pubescent, adaxial glabrous;

sepals triangular, 0.5–1 mm;

petals chalky white to pink, orbiculate, 1.3–1.5 mm;

staminodes 5–15 reduced to serrations;

stamens 15–20, 2 times petal length.

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

nearly fusiform, 2–3 mm, shiny, glabrous.

= 36.