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.

erect, terete, (5–)20–95 cm, often well branched, especially distally, densely strigillose proximal to inflorescence, without decurrent lines, mixed strigillose and 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.

opposite proximal to inflorescence, alternate distally, petiole 1–6 mm;

blade dark green, narrowly ovate to ovate, 3–8 × 1.5–3.4 cm, subequal to internodes, base broadly cuneate to truncate, margins irregularly serrulate with 20–30 teeth per side, veins prominent, 3–5 per side, apex acuminate to acute, surfaces strigillose, especially along veins and margins;

bracts much reduced.

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

nodding to erect, racemes or loose panicles, strigillose and glandular puberulent.

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 4–5x 1.5–3 mm;

pedicel 2–18 mm;

floral tube 1.2–2 × 1.5–2.5 mm, conspicuous ring of spreading hairs at mouth inside;

sepals often flushed red, keeled, 5–6.5 × 1.2–1.7 mm, abaxial surface strigillose and glandular puberulent;

petals rose-purple, obcordate, 7.5–10 × 4–5.5 mm, apical notch 2.7–4.2 mm;

filaments light pink, those of longer stamens 3.5–5.5 mm, those of shorter ones 1.5–2.4 mm;

anthers yellow, 1–1.2 × 0.5–0.6 mm;

ovary 20–30 mm, strigillose and glandular puberulent;

style rose-purple to white, 3.5–7.5 mm, glabrous or with scattered long hairs near base, stigma deeply 4-lobed, 1.5–2 × 2.5–4 mm, lobes 1.2–1.8 mm, exserted beyond or, sometimes, surrounded by anthers.

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

pedicel 5–35(–68) mm.

40–80 mm, surfaces strigillose and glandular puberulent;

pedicel 8–20 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.

obovoid, 1–1.2 × 0.4–0.5 mm, chalazal collar inconspicuous, 0.6–0.8 mm wide, brown, surface coarsely papillose;

coma readily detached, dull white, 5–6 mm.

= 36.

= 36.