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, sparingly branched below inflorescence, robust, to 65 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.

basal few, usually withering by time of anthesis, blade spatulate;

cauline numerous, 2 per node, blade 1-veined, ovate-lanceolate to oblanceolate, 3–7 cm × 7–30 mm, margins entire, apex acute.

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

many-flowered, open, bracteate;

primary branches racemose, elongate, with sessile or shortly pedunculate cymes of 1–6 flowers per node;

bracts narrowly lanceolate, 3–12 mm, hyaline-margined, apex acute.

ascending, ± straight, 1–2 times calyx, broadening at calyx base.

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 often obscurely ca. 20-veined, elliptic, abruptly contracted at base, opening constricted to 1/2 its diam., slightly inflated in flower, 7–10 × 3–4 mm, in fruit tightly enveloping capsule, ovoid, thin, enlarging to 9–13 × 5–7 mm, herbaceous, margins narrow, membranous, dentate with broadly triangular lobes to 1 mm, glabrous, veins obscure, usually purple tinged, without conspicuous, pale commissures, longitudinal, parallel, not obviously reticulate;

petals white, clawed, claw equaling calyx, limb deeply 2-fid into 2 spatulate lobes, to 5 mm, appendages ca. 0.5 mm;

stamens exserted, to 2 times length of calyx;

filaments usually dark purple;

stigmas 3, exserted, to 2 times length of calyx.

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

carpophore shorter than 1 mm, pubescent.

ovoid, equaling calyx and sometimes splitting it, opening by 6 recurved, narrowly lanceolate teeth;

carpophore ca. 1 mm.

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

grayish brown, plump, broadly reniform, 0.6–1 mm, with concentric rings of papillae;

papillae slightly longer than broad.

= 24.

= 24.