Flora of North America species comparison

erect or ascending, terete, 4–150 cm, simple or branched with strong central axis, proximal branches ascending or suberect, villous or strigillose, often mixed 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 often early-deciduous proximally, alternate and crowded distally, usually subsessile, rarely petiole 1–2 mm, blade usually narrowly lanceolate to sublinear, rarely to lanceolate, 1.4–7.5(–9.2) × 0.5–1.4 cm, base cuneate to attenuate, margins remotely to sharply serrulate, 5–12 teeth per side, lateral veins obscure, 2–5 per side, apex acute, surfaces densely villous and/or strigillose;

bracts broader than cauline leaves, broadly lanceolate to ovate or subrotund, 0.5–2.5 × 0.3–1.8 cm, long-acuminate, sometimes folded on midrib.

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.

erect spikes, congested, simple, densely villous and strigillose, sometimes mixed glandular puberulent.

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

erect, often hidden within subtending bracts, usually chasmogamous;

buds sessile, narrowly elongate, 2–4 mm;

floral tube 1.3–3.8 × 1–2.2 mm, ring of hairs 0.6–2 mm distal to base inside;

sepals 2–7.5 × 0.5–2.2 mm, apex acute;

petals rose-purple, magenta, pink, or white, 3–9.5(–11.5) × 1.2–5(–6.2) mm, apical notch 0.8–3.8 mm;

filaments dark pink, those of longer stamens 1.5–4.5 mm, those of shorter ones 0.5–1.9 mm;

anthers yellow, 0.5–1.2 × 0.3–0.7 mm;

ovary 2–5 mm, densely villous, often mixed glandular puberulent;

style white, 2.2–5.5(–7.5) mm, glabrous, stigma subcapitate to irregularly 4-lobed, 0.3–0.8 × 0.3–1 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.

cylindrical to subfusiform, 4–11 mm, beak to 0.5 mm, central column persistent, surfaces densely villous;

subsessile or pedicel 1–2.5 mm.

40–80 mm, surfaces strigillose and glandular puberulent;

pedicel 8–20 mm.

3–8 per locule, irregularly angular-fusiform, 1.2–1.6(–1.9) × 0.4–1 mm, without a chalazal collar, light brown, surface irregularly reticulate with raised cells.

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.

= 20.

= 36.