Flora of North America species comparison

erect to arching, branched.

ascending to prostrate, rarely dying to ground, rarely 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 0.5–6 mm;

blade ovate to elliptic, 1–6 × 0.5–2.5 cm, membranous, base obtuse, margins regularly to irregularly serrulate on distal 1/4–1/2 to crenate or entire (long shoot leaves sometimes serrate on full blade), teeth rounded, number of primary and secondary serrations 0–1 times number of secondary veins (excluding inter-secondary veins), venation pinnate cladodromous, secondary veins not prominent, apex obtuse, surfaces 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 (dense), 1–3[–5] × 0.5–3[–5] cm height usually 1 times diam.;

branches rarely in axils of leaves, usually glabrous or puberulent, sometimes villous.

1–3 mm, glabrous or glabrate.

1–5(–8) mm, usually glabrous or puberulent, sometimes 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.

4–6 mm diam.;

hypanthia hemispheric, 0.7–1 mm, abaxial surface puberulent to pubescent, adaxial glabrate to pubescent;

sepals triangular, 1–1.5 mm;

petals white, orbiculate, 1.5–2.5 mm;

staminodes 10–12;

stamens 18–22, 2 times petal length.

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

oblanceoloid, 2.5–3.5 mm, puberulent.

= 36.