Flora of North America species comparison

erect or ascending, unbranched when small to branched ca. 1–5 times throughout, 10–60 dm, minutely puberulent to glandular-pubescent basally, usually glandular-pubescent, sometimes minutely puberulent or glabrous distally.

mostly in basal 1/2;

larger leaves with petiole 2–22 mm, blade oval, ovate, oblong, or lanceolate, 12–37 × 5–20 mm (distal leaves smaller, proportionately narrower), adaxial surface glabrate, sparsely puberulent, sometimes glandular-pubescent, abaxial surface not noticeably to prominently paler than adaxial, glabrate or occasionally glandular-pubescent, both surfaces usually punctate with dark cells, base round to obtuse, margins sinuate to sinuate-crisped, apex acute, obtuse, or round.

terminal, branched ca. 1–4 times unequally, without sticky internodal bands;

branches strongly ascending, terminating in compact, capitate or subcapitate flower clusters, axis 0–2.5 mm.

pedicel 0.8–2.5 mm;

bracts at base of perianth persistent, 1–3, ovate to obovate, 2.5–4 mm, apex apiculate;

perianth whitish to pale pink, funnelform beyond constriction, 2.5–4 mm;

stamens 3–4(–5), well exserted.

3–9 per cluster, straw colored to grayish tan, broadly obovoid, 2.3–3 × 1.3–1.7 mm (l/w: 1.6–2.1), apex round or broadly obtuse, glabrous;

ribs 5, acute, smooth;

sulci 2–2.5 times as wide as base of ribs, not or shallowly rugose, lightly papillate.