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–many, erect, branched and decumbent at base, rarely simple, 20–80 cm.

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.

mainly cauline, 2 per node, sessile, almost clasping, reduced proximal to inflorescence, blade broadly oblong to oblanceolate or lanceolate, rarely ± linear, 2–8 cm × 5–30 mm, base round, apex acute to acuminate.

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

open dichasial cyme, 5–40-flowered, bracteate;

bracts much-reduced, lanceolate.

0.5–3 cm.

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, some plants having bisexual flowers, others having pistillate unisexual flowers, 15–20 mm diam.;

calyx pale green, rarely purplish, campanulate, not contracted at mouth or base, inflated, 9–12 mm in flower, 12–18 × 7–11 mm in fruit, herbaceous, papery, venation obscure, reticulate, without conspicuous pale commissures, margins dentate, lobes broadly triangular, 2–3 mm, glabrous;

petals white, ca. 2 times as long as calyx;

limb obovate, emarginate to 2-lobed;

stamens exserted by 2–4 mm;

styles 3, cream to greenish, at most slightly pink tinged, 2 times longer than calyx.

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

carpophore shorter than 1 mm, pubescent.

ovoid to globose, equaling calyx, opening by 6 teeth;

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.

black or nearly so, globose-reniform, 1–1.5 mm, finely tuberculate.

= 24.

= 24.