Flora of North America species comparison

erect to ascending, often clumped, terete, 25–120(–250) cm, unusually thick, 3–9 mm diam., well branched mainly in distal 1/2, densely long-villous throughout, usually mixed glandular puberulent distally, rarely sparsely villous or densely white-tomentose.

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 proximal to inflorescence, alternate distally, sessile and ± clasping stem;

blade elliptic-lanceolate to narrowly obovate or elliptic, 4–12(–23) × 0.3–4(–5) cm, base cuneate to attenuate, margins serrulate, 15–50 teeth per side, veins 6–9 per side, apex acute to acuminate or obtuse proximally, surfaces ± densely villous;

bracts moderately reduced.

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.

erect racemes or panicles, usually densely villous and glandular puberulent, rarely tomentose.

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

erect;

buds 5–9 × 1.8–4.5 mm, sometimes beaked;

pedicel 3–11 mm;

floral tube 1.3–2.9 × 2.2–4 mm, conspicuous ring of spreading hairs near mouth inside;

sepals oblong-linear, often keeled, 6–12 × 1–3 mm, abaxial surface densely pubescent;

petals bright pink to rose-purple, rarely white, broadly obcordate, 9–20 × 7–15 mm, apical notch 1–3 mm;

filaments white or pink, those of longer stamens 5–10 mm, those of shorter ones 2.5–6 mm;

anthers cream, 1.5–3 × 0.6–1.2 mm;

ovary 15–34 mm, densely villous and glandular puberulent;

style white or pink, 5–12 mm, usually glabrous, stigma deeply 4-lobed, 1.8–2.2 × 3–5.5 mm, lobes recurved or spreading, exserted beyond 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.

often flushed purple, 25–90 mm, surfaces usually densely villous and glandular puberulent, rarely glabrescent;

pedicel 5–20 mm.

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

pedicel 2–21 mm.

narrowly obovoid, 0.8–1.2 × 0.3–0.6 mm, chalazal collar inconspicuous, dark brown, surface coarsely papillose;

coma easily detached, tawny or dull white, 7–10 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.