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.

several, erect from decumbent base, branched, 20–40 cm, sparsely scabrid-puberulent, stipitate-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.

2 per node;

basal shortly petiolate, blade oblanceolate, apex acute, sparsely puberulent;

cauline sessile, in 3–6 pairs, blade lanceolate to narrowly elliptic-lanceolate, 3–8 cm × 3–8 mm, apex acute, scabrid-puberulent.

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

cymose, open, branches few, ascending, elongate, 5–10 cm, flowers 1–3 per branch, bracteate;

bracts lanceolate, 3–5 mm, apex acute.

usually shorter than or to 11/2 times calyx, scabrous-puberulent, ± viscid.

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.

bisexual and unisexual, all flowers having bisexual flowers and staminate unisexual flowers, 6–8 mm diam.;

calyx prominently 10-veined, narrowly campanulate in flower, campanulate in fruit, 7–10(–11) × 4–6 mm, only slightly contracted around carpophore, papery and membranous, sparsely scabrid with short glandular-setose hairs, veins parallel, green, with pale commissures, margins dentate, lobes broadly ovate (as broad as long), 1–2 mm, not ciliate;

corolla cream or white, tinged purple, claw slightly exceeding calyx, narrowly triangular, auriculate, puberulent at base, limb oblong, 2-lobed, 2–4 mm, lobes entire, appendages 0.1–0.5 mm and broad, entire;

stamens equaling petals;

styles 3, equaling petals, reduced in functionally staminate flowers.

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

carpophore shorter than 1 mm, pubescent.

ovoid-ellipsoid, equaling calyx, opening by 6 spreading teeth;

carpophore ca. 2 mm.

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

brown, reniform-triangular, ca. 1 mm; papillate mainly around margin.

= 24.