Flora of North America species comparison

usually simple proximal to inflorescence, 30–50(–70) cm, puberulent and shortly stipitate-glandular, especially distally.

erect, few-branched, 50–100 cm, hispid.

2 per node, gradually reduced distally;

basal petiolate, blade oblanceolate, spatulate, 5–9 cm × 7–15 mm (including petiole), apex acute to obtuse, usually glabrous adaxially, sparsely pubescent abaxially;

cauline in 4–6 pairs, blade linear-lanceolate, 1–6(–8) cm × 2–6 mm, puberulent and shortly stipitate-glandular.

rounded into tightly sessile base;

blade lanceolate to ovate, 5–12 cm × 20–60 mm, apex acute, sparsely scabrous-pubescent on both surfaces, scabrous-ciliate on abaxial margins and midrib;

basal leaf blades broadly spatulate.

thyrsate, 3–25-flowered, open, bracteate, pedunculate, stipitate-glandular, viscid;

bracts narrowly lanceolate, 2–25 mm, apex acuminate.

subcapitate between terminal pair of leaves, 10–50-flowered, congested, bracteate;

bracts lanceolate, herbaceous, ciliate.

ascending.

calyx prominently 10-veined, narrowly campanulate, umbilicate, somewhat clavate and constricted below middle around carpophore, 9–15 × 3–4 mm in flower, broadening to 7 mm in fruit, membranous, shortly stipitate-glandular, veins parallel, slender, tinged dark red, with pale commissures, lobes ovate-lanceolate, obtuse, 2–3 mm, margins scarious;

corolla creamy white, sometimes pink tinged, clawed, claw equaling calyx, glabrous, broadening only slightly into limb 3–8 mm, limb with 4–6 linear lobes, some splitting to 10 linear segments, appendages 4–6, linear, 1–1.5 mm, apex acute;

stamens ca. equaling petals;

filaments glabrous;

stigmas 3(–5), ca. equaling petals.

sessile to subsessile, 10–16 mm diam.;

calyx 10-veined, narrow and tubular in flower, clavate in fruit, 12–17 mm, margins dentate, lobes triangular-lanceolate, 2.5–2.5 mm, coarsely hirsute;

petals scarlet, sometimes white or pink, clawed, claw equaling calyx, limb spreading, obovate, deeply 2-lobed, 6–11 mm, shorter than calyx, appendages tubular, 2–3 mm;

stamens equaling calyx;

stigmas 5, equaling calyx.

ellipsoid, slightly longer than calyx, opening by 6 (or 8 or 10) very brittle teeth;

carpophore 2–4 mm.

ovoid, 8–10 mm, opening by 5 teeth;

carpophore 4–6 mm.

brown, ± reniform, angular, glossy, shallowly tuberculate.

dark reddish brown, reniform-rotund, 0.7–1 mm diam., coarsely papillate;

papillae ca. as high as wide.

= 48.

= 24 (Europe).