Flora of North America species comparison

several to many, suberect or ascending, terete, 10–40 cm, simple or sparsely branched, usually glabrous and ± glaucous proximal to inflorescence, strigillose distally, sometimes densely strigillose throughout.

erect, terete, 18–100(–160) cm, well branched distally, densely gray-villous proximally, mixed villous and glandular puberulent distally, often with raised strigillose lines decurrent from margins of petioles.

crowded distally, petiole 2–6 mm, blade narrowly ovate to ovate or broadly elliptic, often obovate in proximal pairs;

cauline 2–4.5 × 0.8–2 cm, base rounded to attenuate, margins subentire or finely denticulate, 8–12 teeth per side, lateral veins inconspicuous, 3–5 per side, apex obtuse proximally to subacute distally, surfaces glaucous and subglabrous to densely strigillose;

bracts narrower and much smaller.

opposite proximal to inflorescence, alternate distally, petioles 1–3 mm proximally, sessile distally;

blade narrowly lanceolate or oblong-lanceolate, 3–12 × 0.5–2.5 cm, often exceeding internodes, base rounded to broadly cuneate, margins serrulate, with 15–60 teeth per side, veins 4–8 per side, apex subacute, surfaces ± densely villous, hairs sometimes appressed;

bracts usually much reduced.

erect racemes, simple, ± densely strigillose, rarely mixed sparsely glandular puberulent.

erect racemes or often leafy panicles.

erect;

buds 6–11 × 4–5 mm, apiculate;

pedicels 4–8 mm;

floral tube 1–1.8 × 2–3 mm, with raised ring of tissue edged with spreading hairs at mouth inside;

sepals often reddish green, lanceolate, 9.5–14.5 × 2.5–3.5 mm, apex acuminate, abaxial surface densely strigillose;

petals pink to rose-purple, obcordate, 16–20 × 13–16 mm, apical notch 3.4–5.5 mm;

filaments light pink, those of longer stamens 9–14 mm, those of shorter ones 6.5–10 mm;

anthers cream, 1.8–3.5 × 1–1.9 mm;

ovary 6–12 mm, densely strigillose;

style cream to light pink, 14.5–18.5 mm, stigma broadly 4-lobed, 1–1.5 × 3–3.5 mm, exserted beyond anthers.

erect;

buds 3.5–5.5 × 1.8–3 mm;

pedicel 3–10 mm;

floral tube 1–1.9 × 1.3–2.5 mm, a ring of spreading hairs at mouth within, densely villous and glandular puberulent abaxially;

sepals narrowly lanceolate, often keeled, 2.5–6 × 1–1.5 mm;

petals usually pink to rose-purple, rarely white, broadly obovate, 4–8.5 × 3–4.5 mm, apical notch 1–4 mm;

filaments cream to light purple, those of longer stamens 2–6 mm, those of shorter ones 1–3.5 mm;

anthers oblong, 0.8–1.3 × 0.4–0.6 mm;

ovary 10–30 mm, mixed villous and glandular puberulent;

style white to pink, 2.2–6 mm, glabrous, stigma deeply 4-lobed, 1–1.5 × 2.2–4 mm, lobes 1–1.8 mm, initially erect, later recurved, surrounded by or barely exserted beyond anthers.

20–35 mm, surfaces strigillose;

pedicel 9–13 mm, bracts often attached 2–3 mm from base.

30–70 mm, surfaces usually glandular puberulent, often mixed villous, rarely glabrescent;

pedicel 5–18 mm.

narrowly obovoid, constriction 0.6–0.8 mm from micropylar end, 2.5–3.4 × 0.9–1.4 mm, chalazal collar obscure, light brown, surface papillose;

coma easily detached, white, 6–8 mm.

obovoid, 0.8–1.1 × 0.4–0.5 mm, chalazal collar inconspicuous, brown, surface coarsely papillose;

coma easily detached, dingy white, 5–9 mm.

= 36.

= 36.