Flora of North America species comparison

erect, branched, rarely simple, 15–45 cm, with long, often crinkled hairs mixed with short pubescence, viscid-glandular distally.

erect, simple, (10–)20–60 cm, softly puberulent, viscid-glandular distally.

2 per node, blade with coarse, ascending, scabrous pubescence on both surfaces;

basal few, withering, blade oblanceolate to spatulate-petiolate, 0.5–5 cm × 3–15 mm;

cauline blades oblanceolate to lanceolate, 1–7 cm × 1–15 mm, apex obtuse or shortly acuminate to acute.

mostly basal;

basal petiolate, blade oblanceolate, spatulate, 3–8 cm × 2–14 mm, not fleshy, margins shortly ciliate, apex ± acute, glabrous to puberulent on both surfaces;

cauline usually in 2–4 pairs, blade narrowly oblanceolate, lanceolate to linear-lanceolate, 0.2–0.8 cm × 10–80 mm, not fleshy, puberulent on both surfaces, at least distal ones glandular.

open, with racemose branches, internodes and bracts usually ca. equaling fruiting calyx, 1–5 mm, longer proximally.

(1–)3–7-flowered, open, bracteate;

bracts linear-lanceolate, broadened at base, 2–10 mm.

ascending, usually longer than calyx, puberulent, viscid stipitate-glandular.

5–8 mm diam.;

calyx prominently 10-veined, narrowly tubular-ovoid in flower, ovoid in fruit, constricted at mouth, 7–10 × 3–5 mm, membranous between veins, margins dentate, hispid, hairs ca. 2 mm, veins parallel, lobes lanceolate, 2–2.5 mm, apex greenish purple, acute;

petals white or pink, often with dark spot or dark pink throughout, clawed, claw equaling calyx, limb elliptic to obovate, lobed or unlobed, to 6 mm, appendages 2, oblong to narrowly lanceolate, 1–1.5 mm;

stamens equaling or shorter than calyx;

stigmas 3, included in calyx.

calyx prominently 10-veined, campanulate, inflated, ± umbilicate, not or only slightly constricted toward base, (10–)12–16 × 7–9 mm in fruit, glandular-pubescent, strongly viscid, veins parallel, purplish, with pale commissures, not much broadened distally, commissural veins slender, forked distally and fused to those of lobes, lobes ovate to broadly triangular with lanceolate midrib, 2–3 mm, margins purple tinged, broad, membranous;

corolla white, often tinged green or purple, clawed, claw equaling calyx, glabrous, broadened distally, limb deeply 2-lobed, rarely 4-lobed, 5–7 mm, lobes with 2 prominent lateral teeth, appendages 2(–4), 1.5–2 mm;

stamens equaling calyx;

stigmas 3(–5), exserted.

equaling calyx, opening with 6 recurved, narrowly triangular teeth;

carpophore shorter than 1 mm, pubescent.

included in calyx, opening by 3(–5) teeth, each tardily splitting into 2;

carpophore 2–3 mm.

dark reddish brown, reniform, angular with concave, radially ridged faces, broad outer edge transversely ridged and verrucose, ca. 0.5 mm broad.

brown, not winged, broadly reniform and often flattened, 1.5–2.5 mm, rugose to shallowly tuberculate on sides, larger tubercules on margins.

= 24.

= 48, 96.