Flora of North America species comparison

simple, 5–15 cm, pubescent and viscid, with stipitate glands.

erect, simple or branched, 20–65 cm, glandular-pubescent.

basal with blade 1-veined, oblanceolate, broadly spatulate, 1–4 cm × 2–8 mm, apex obtuse to acute, glandular-puberulent throughout, rarely subglabrous adaxially;

cauline in 3–6 pairs, sessile, reduced distally, blade lanceolate, narrowly elliptic, or oblanceolate, 2–4 cm × 2–8 mm, apex ± acute, glandular-puberulent throughout.

proximal forming rosette, blade oblanceolate, spatulate, 3–8(–12) cm × 5–13(–25) mm, apex ± obtuse, sparingly pubescent and glandular;

cauline reduced distally, blade lanceolate, 1–7 cm × 2–15 mm, apex ± acute, sparingly pubescent and glandular.

usually with solitary terminal flower, sometimes cymose, to 8-flowered, open.

dichasiate, open, bracteate;

bracts leaflike, to 15 mm.

erect or angled near tip with flowers slightly nodding, 1–3 times longer than calyx, glandular-puberulent, often densely so.

ascending, 1–3(–5) cm, densely glandular-pubescent, viscid.

calyx prominently 10-veined, campanulate, not contracted proximally around carpophore, 15–20 × 4–8 mm, papery, margins dentate, veins parallel, usually purple tinged, with pale commissures;

lobes ovate, 3–5 mm, glandular-puberulent, midrib triangular, margins purple tinged, broad, membranous, apex obtuse;

corolla bright pink, clawed, claw equaling calyx, broad and ligulate but abruptly contracted into limb, limb broadly cuneate, shallowly to deeply 2–4-lobed, 5–15 mm, lobes broad or narrow, appendages absent or to 2 mm, margins erose;

stamens slightly longer than corolla claw;

stigmas 3(–5), slightly longer than corolla claw.

calyx prominently 20–25-veined, ovate-conic, 8–12 mm, margins dentate, coarsely pubescent, glandular, lobes erect, narrowly lanceolate, 2–3 mm, margins membranous ca. 1/4 length of calyx;

corolla inconspicuous, cream, purple tinged adaxially, dull orange abaxially, equaling or slightly longer than calyx, limb ovate, 1–3 mm, apex notched, appendages absent, auricles round, small;

stamens shorter than corolla;

stigmas 3, shorter than corolla.

equaling calyx, opening by 6 (or 8 or 10) lanceolate teeth;

carpophore 1–2.5 mm.

tightly enclosed in calyx, ovoid, with narrow opening, opening by 6 triangular teeth ca. 1 mm;

carpophore ca. 1 mm.

brown, broadly reniform, flattened, 2–2.5 mm, rugose, more coarsely so on margins.

dark brown to black, rotund, 0.6–1 mm broad, papillate.

= 96.

= 20 (Asia).