Flora of North America species comparison

erect, simple to loosely clustered, terete, 15–95 cm, simple to well branched, densely strigillose, often mixed glandular puberulent on inflorescence, rarely with faint strigillose lines decurrent from margins of petioles.

ascending to erect, clumped, terete, 10–45 cm, usually simple, rarely branched proximally, subglabrous proximal to inflorescence with sparsely strigillose lines decurrent from margins of petioles, ± sparsely mixed strigillose and glandular puberulent distally.

opposite proximally, usually alternate, rarely fasciculate distally, subsessile;

blade linear to very narrowly elliptic or sublanceolate, 2–7.5 × 0.1–0.7 cm, usually longer than internodes, base rounded to subcuneate, margins subentire, 4–7 inconspicuous teeth per side, sometimes revolute, lateral veins inconspicuous, apex obtuse proximally to acute distally, both surfaces densely strigillose, increasing distally;

bracts not much reduced.

opposite proximal to inflorescence, usually alternate distally, petioles 3–9 mm proximally to subsessile distally;

blade broadly elliptic to spatulate proximally, ovate to lanceolate distally, ± coriaceous or not, 1.5–6.2 × 0.7–2.9 cm, base attenuate to cuneate or rounded, margins subentire proximally, denticulate distally with 10–25 teeth per side, veins often inconspicuous, 4–7 per side, apex obtuse to subacute, surfaces glabrous or, sometimes, strigillose along margins;

bracts reduced.

erect racemes, densely strigillose, often mixed sparsely glandular puberulent.

erect or nodding, open racemes, mixed strigillose and glandular puberulent.

erect;

buds 3–5 × 1.5–2.5 mm;

pedicel 5–12 mm;

floral tube 0.8–1.5 × 1.2–1.8 mm, ring of spreading hairs at mouth inside;

sepals 2.5–4.5 × 0.9–1.3 mm, abaxial surface strigillose;

petals obcordate, white to light pink, 3.5–7 × 1.6–4 mm, apical notch 1–1.8 mm;

filaments white or cream, those of longer stamens 0.8–3.5 mm, those of shorter ones 0.6–2.5 mm;

anthers cream, 0.5–0.9 × 0.4–0.6 mm;

ovary 12–18 mm, densely strigillose, sometimes mixed glandular puberulent;

style cream, 2–3.8 mm, stigma narrowly clavate, entire, 1–1.8 × 0.5–1.2 mm, usually surrounded by, rarely exserted beyond, anthers.

erect;

buds 2–5.5 × 2–4 mm;

pedicel 2–5 mm;

floral tube 1–2.2 × 1.3–2.8 mm, sparse ring of hairs at mouth inside or ring absent;

sepals sometimes red-tipped or bright red, 2–7 × 1–2.2 mm, abaxial surface sparsely strigillose and glandular puberulent;

petals usually rose-purple or magenta to light pink, rarely white, 3–10(–11) × 2–6 mm, apical notch 0.7–2.4 mm;

filaments cream to light pink, those of longer stamens 1.4–5(–6) mm, those of shorter ones 1.2–4 mm;

anthers light yellow, 0.4–1.2 × 0.3–0.6 mm;

ovary 15–25 mm, glandular puberulent, sometimes mixed strigillose;

style white or cream, 2–8 mm, stigma cream, clavate or cylindrical, entire, 1.2–3 × 0.5–1 mm, usually surrounded by, rarely exserted beyond, anthers.

straight, narrowly cylindrical, 35–80 mm, surfaces densely strigillose;

pedicel 10–35 mm.

35–65 mm, surfaces glandular puberulent, sometimes mixed strigillose;

pedicel 5–15(–25) mm.

narrowly fusiform to narrowly obovoid, 1.5–2.2 ×0.5–0.7 mm, chalazal collar 0.1–0.2 mm, ± pronounced, surface papillose;

coma persistent, dingy white, 6–8 mm.

narrowly fusiform or oblanceoloid, 0.9–1.6 × 0.3–0.5 mm, chalazal collar short, 0.05–0.1 mm, blond to brown, surface distinctly papillose or reticulate/smooth;

coma readily detached, dingy white, 6–11 mm.

= 36.