Flora of North America species comparison

spreading to ascending, branched.

erect, virgate, 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 1–4 mm, pubescent;

blade usually ovate to elliptic, sometimes oblanceolate, 1–4(–5) × 1–2 cm, membranous, base obtuse, margins serrulate, usually from near base to apex, sometimes only distally from middle, rarely nearly entire with few teeth apically, venation pinnate cladodromous, secondary veins not prominent, apex acute to obtuse, abaxial surface lanate to glabrescent, adaxial glabrate.

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, usually hemispheric panicles, sometimes simple fascicles, 3–6-flowered, sessile, 2–3 × 1–3 cm;

bractlets 3–7 × 3–5 mm;

branches pubescent.

1–3(–5) mm, glabrous or puberulent.

10–30 mm, pubescent.

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.

5–15 mm diam.;

hypanthia campanulate, 1–1.2 mm, abaxial surface glabrous or sparsely hairy, adaxial glabrous;

sepals ovate to ovate-triangular, 1–3 mm;

petals white to cream, often with more than a single whorl of petals in most commonly escaped form, ovate to obovate, 2–10 mm;

staminodes 10–16, irregularly fused;

stamens 20–25, 0.5 times petal length.

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

oblanceoloid, 1.5–2 mm, glabrous, adaxial suture sparsely hairy.

= 18.