Flora of North America species comparison

erect to arching, branched.

erect, branched.

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.

petiole 2–7 mm;

blade ovate to lanceolate, 5–10 × 2–4 cm, membranous, base cuneate, margins sharply doubly serrate, number of primary and secondary serrations 3–5 times number of secondary veins (excluding inter-secondary veins), venation pinnate simple craspedodromous, secondary veins not prominent, apex acute, abaxial surface pubescent, adaxial glabrous.

mostly terminal, corymbiform, 2–5 × 3–10 cm height 0.4–1.1 times diam.;

branches rarely in axils of leaves, glabrous or glabrate.

mostly terminal, corymbiform, 5–8 × 5–15 cm;

branches finely villous.

1–3 mm, glabrous or glabrate.

4–6 mm, finely villous.

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.

4–8 mm diam.;

hypanthia campanulate, 1–1.2 mm, abaxial surface strigose, adaxial pubescent;

sepals triangular, 1–1.3 mm;

petals light to dark pink, obovate, 1–1.5 mm;

staminodes 0;

stamens 25–30, 2 times petal length.

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

oblanceoloid, 2–3 mm, glabrous, adaxial suture glabrous or ciliate.

= 36.

= 36.