Flora of North America species comparison

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

erect, simple proximal to inflorescence, 25–80 cm, puberulent, glandular distally.

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.

in 5–7 pairs proximal to inflorescence, sessile, blade lanceolate, narrowed to base, apex acute;

proximal withering, becoming smaller in inflorescence, 2–5 cm × 3–10 mm, sparsely scabrous-pubescent on both surfaces.

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

cymose, terminal, pedunculate, 1–3-flowered, open, bracteate, bracteolate, 10–25 cm, pubescence dense, hairs septate-glandular, septa colorless;

cymes paired at each node;

peduncle ascending, 1–3 cm;

bracts and bracteoles leaflike, reduced distally to 2 mm.

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

not bent in fruit, 1/2 to equaling calyx.

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.

nocturnal;

calyx prominently 10-veined, campanulate, 12–14 × 4–6 mm in flower, becoming obovate to obconic and to 10 mm broad in fruit, not contracted proximally around carpophore, margins dentate, glandular-pubescent, veins parallel, with pale commissures, lobes lanceolate-acuminate, 3–4 mm, membranous, margins narrow, apex blunt, veins green;

corolla pale pink, greenish abaxially, clawed, claw equaling calyx, limb oblong, deeply 2-lobed, 4–6 mm, appendages 2, oblong, ca. 1 mm;

stamens equaling petals;

stigmas 3, equaling petals.

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

carpophore 1–2.5 mm.

obovoid, equaling calyx and often splitting it at maturity, opening by 5 teeth;

carpophore 3–4 mm.

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

black, reniform, 2–3 mm, tuberculate;

tubercles conic, in concentric rows.

= 96.

= 48.