Flora of North America species comparison

many, ascending, often sigmoidally bent, nodding distally, later erect, clumped or mat-forming, terete, 3–20(–25) cm, simple, subglabrous, sometimes with faint raised strigillose lines decurrent from margins of petioles, rarely mixed strigillose and sparsely glandular puberulent distally.

numerous, ascending, clumped, terete, 5–15(–22) cm, usually simple, rarely branched, subglabrous, with raised strigillose lines decurrent from petioles, ± densely strigillose and often mixed glandular puberulent distally.

opposite and crowded proximal to inflorescence, alternate distally, petioles 1–6 mm, rarely subsessile distally;

blade spatulate to oblong proximally, elliptic to narrowly lanceolate or sublinear distally, (0.5–)0.8–2.5 × 0.3–1 cm, base attenuate to cuneate, margins subentire proximally, sparsely denticulate distally with 2–5 low teeth per side, veins obscure, 2–4 per side, apex obtuse or rounded proximally to subacute distally, surfaces subglabrous;

bracts reduced, usually much narrower.

crowded and opposite proximal to inflorescence, alternate distally, petiole 0–3 mm;

blade obovate proximally to ovate or elliptic distally, 0.5–2.8 ×0.6–1.6 cm, base attenuate proximally to obtuse distally, margins subentire to sparsely denticulate, 3–6 teeth per side, veins obscure, 2–4 per side, apex obtuse proximally to subacute distally, surfaces subglabrous or sparsely strigillose margins and abaxial midrib, sometimes subglaucous;

bracts not much reduced, sessile.

nodding in bud, later suberect, few-flowered racemes, subglabrous to sparsely strigillose and/or glandular puberulent.

usually erect, rarely slightly nodding, racemes, strigillose and glandular puberulent, sometimes sparsely so.

suberect;

buds 2–5 × 1–2 mm;

pedicel 1–6(–15) mm;

floral tube 0.6–1.2 × 0.8–1.8 mm, slightly raised subglabrous ring at mouth inside;

sepals green to reddish purple, 1.5–5 × 0.6–1.5 mm, abaxial surface subglabrous to sparsely glandular;

petals usually pink to rose-purple, rarely white, narrowly obcordate, (1.7–)2.5–6.5(–8) × 1.6–3.5 mm, apical notch 0.5–1.2 mm;

filaments cream to light pink, those of longer stamens 1.4–3.2 mm, those of shorter ones 0.7–2 mm;

anthers 0.3–0.6 × 0.2–0.4 mm;

ovary often reddish purple, 6–20 mm, subglabrous or sparsely strigillose and glandular puberulent;

style white, 1.2–2.5 mm, glabrous, stigma broadly clavate to subcapitate, entire, 0.9–1.5 × 0.4–0.7 mm, surrounded by longer anthers.

erect;

buds often purplish green, 3–4.5 × 1.4–2.2 mm;

pedicel 3–9 mm;

floral tube 0.6–2 × 1–2 mm, glabrous or with a raised ring of sparse hairs at mouth inside;

sepals often purplish green, 2.5–4.2 × 1–2 mm, abaxial surface sparsely glandular puberulent to subglabrous;

petals rose-purple to pale pink, obcordate, 3.5–6(–7) ×2–4 mm, apical notch 0.5–1 mm;

filaments cream, those of longer stamens 1.8–4 mm, those of shorter ones 1–3 mm;

anthers light yellow, 0.4–0.9 × 0.25–0.5 mm;

ovary often reddish purple, 8–20 mm, densely glandular puberulent, often mixed strigillose, rarely subglabrous;

style white or pale pink, 1.4–3.2 mm, glabrous, stigma cream, narrowly clavate to subcapitate, 0.8–1.4 × 0.3–0.8 mm, surrounded by at least longer anthers.

slender, often reddish purple, 17–40(–55) mm, surfaces subglabrous or with scattered hairs;

pedicel 5–35(–68) mm.

often purplish red, 20–42 mm, surfaces sparsely pubescent or subglabrous;

pedicel 2–21 mm.

narrowly obovoid, 0.7–1.4 × 0.3–0.5 mm, inconspicuous chalazal collar 0.1–0.2 mm wide, light brown, surface reticulate (smooth);

coma persistent, dull white, 2–4 mm.

narrowly obovoid or fusiform, (1.3–)1.5–2.1 × 0.4–0.7 mm, chalazal collar conspicuous, 0.04–0.16 × 0.2–0.4 mm, blond, surface finely reticulate;

coma easily detached, white, 5–8 mm.

= 36.

= 36.