Flora of North America species comparison

spreading to ascending, branched.

erect to ascending, rarely 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 2–3 mm;

blade bicolorous, ovate-lanceolate, 3–6 × 1–2.5 cm, coriaceous, base cuneate, margins coarsely serrate to crenate on distal 3/4, (secondary teeth on large and long shoot leaves), venation pinnate craspedodromous, secondary veins prominent, apex acute or rounded, abaxial surface densely white to gray, tan, or rusty, tomentose, adaxial glabrous or puberulent.

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

branches glabrous or puberulent.

predominantly terminal, narrow, conic panicles, 150–15,000+-flowered, 5–30 × 3–20 cm, branching varying from compact to wide and spreading;

branches tomentose.

1–3(–5) mm, glabrous or puberulent.

0.1–1.5 mm, tomentose.

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.

4–6 mm diam.;

hypanthia hemispheric, 0.5–1 mm, abaxial surface tomentose, adaxial glabrous;

sepals triangular, 0.7–1.1 mm;

petals usually light to dark pink, sometimes white or purple, ovate to orbiculate, 1–1.5 mm;

staminodes 0;

stamens 15–20, 1 times petal length.

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

cymbiform, 2–2.5 mm, tomentose to arachnoid.

= 24, 36.