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.

10–30+, ascending to erect, clumped, terete, 6–35 cm, usually simple, rarely slightly branched distally, strigillose throughout, especially on raised lines decurrent from margins of petioles, densely 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.

opposite proximal to inflorescence, alternate distally, petiole 0–5 mm;

blade dark or grayish green, lanceolate to subovate, 1–3.8 × 0.3–1.5 cm, base attenuate proximally to rounded distally, margins low-denticulate with 4–15 teeth per side, lateral veins usually indistinct, 2–5 per side, apex subacute to blunt, surfaces sparsely glandular puberulent on margins and veins;

bracts scarcely reduced.

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

erect or sometimes nodding in bud, short racemes, glandular puberulent.

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.

few, erect or sometimes slightly nodding in bud;

buds 3–4.5 × 2.5–3 mm;

pedicel 5–10 mm;

floral tube 1–2.2 × 1.2–2.2 mm, with raised ring of sparse hairs at mouth inside;

sepals often red along margins, lanceolate, 3–4.8 × 1–2.1 mm, abaxial surface scattered mixed glandular puberulent and strigillose;

petals dark pink to rose-purple, obcordate, (3–)5–7 × (2–)3–4.5 mm, apical notch 1–2.5 mm;

filaments pale pink, those of longer stamens 2.4–4.2 mm, those of shorter ones 1.2–2.6 mm;

anthers pale yellow, 0.5–1.1 × 0.3–0.7 mm;

ovary 15–22(–26) mm, densely glandular puberulent;

style cream, 2.5–3.5 mm, often with scattered hairs near base, stigma clavate to subcapitate, 0.8–1.5 × 0.5–1 mm, surrounded by longer anthers.

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

pedicel 5–20 mm.

24–65 mm, surfaces glandular puberulent;

pedicel 10–30 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, (1.2–)1.4–1.7 × 0.4–0.7 mm, chalazal collar conspicuous, 0.08–0.15 ×0.15–0.25 mm, light brown, surface densely irregular papillose;

coma persistent, dull white, 6–12 mm.

= 36.

= 36.