Flora of North America species comparison

(usually purplish when young) erect, stipitate-glandular.

ascending to erect, sometimes semiscandent, puberulent (hairs minute, crisped).

opposite;

petioles 10–25 mm;

blades (abaxially purple) ovate-lanceolate or ovate-deltate to lanceolate-ovate, (1.5–)2.5–5.5(–8) × 1.5–4(–6) cm, bases cuneate to obtuse or nearly truncate, margins serrate, apices acute to acuminate, abaxial faces stipitate- to sessile-glandular.

opposite;

petioles (5–)10–30(–50) mm;

blades usually deltate-ovate to ovate or broadly lanceolate, sometimes ovate-lanceolate, 4–11(–13) × 2.5–8(–9) cm, bases usually rounded to truncate or obtuse, sometimes cordate, margins coarsely and doubly incised-serrate, apices usually acuminate.

5–12 mm, densely stipitate-glandular and sometimes also sparsely viscid-puberulent.

1–5 mm, puberulent.

3.5–4 mm.

4–5 mm.

white, pink-tinged, lobes sparsely hispidulous.

white, lobes sparsely short-villous.

apices acute, abaxial faces stipitate-glandular.

apices acute, abaxial faces glabrous or sparsely and finely villous.

clustered.

clustered.

glabrous.

glabrous.

= 51.