Flora of North America species comparison

erect, 5–40 cm, softly pubescent to scabrous, eglandular or viscid-glandular, especially distally, very rarely glabrous, with several pairs of leaves equaling or shorter than internodes.

several, erect, branched distally, stout, 40–100 cm.

sessile, or basal with short pseudopetiole;

blade linear to lanceolate or broadly ovate, base round to cuneate, apex acute to shortly acuminate, puberulent on both surfaces, sometimes glandular.

basal blade oblanceolate, spatulate, 5–10 cm × 10–25(–30) mm, margins entire, apex acute, apiculate, with tuft of white hairs;

cauline in 5–10 pairs, sessile, reduced distally, blade with both surfaces obscured by dense, silky, grayish-white tomentum.

usually with single dichotomy, rarely double, open, bracteate, branches often elongate, flowers 1 per node;

bracts foliaceous.

with 1–several dichotomies, several-flowered, open, bracteate;

branches ascending, elongate;

bracts leaflike, 10–20 mm.

sharply reflexed at base, especially after anthesis, equaling calyx.

straight, stout, to 10 cm.

nodding;

calyx obscurely 10-veined, broadly campanulate, lobed, 6–8 mm, enlarging to 13–16 mm in fruit, herbaceous, usually with short, dense pubescence throughout, often glandular-viscid, veins green, rarely purplish tinged, conspicuous pale commissures absent;

lobes ovate-triangular, 1/2 to equaling tube, herbaceous;

petals creamy white, often greenish abaxially, rarely pink tinged to dusky pink (subsp. campanulata), clawed, to 2 times calyx, claw villose, limb deeply divided and fan-shaped with many narrow, linear lobes, lobes rapidly curling, margins deeply divided or erose, appendages 2–4, to 2 mm;

stamens exserted;

filaments hairy at base;

styles 3, to 2 times calyx.

ca. 35 mm;

calyx thickly 10-veined, obovate, ca. 15 × 10 mm in fruit, margins dentate with 5 narrowly lanceolate lobes ca. 1/4 length of tube, tomentose;

corolla rich magenta-pink, sometimes white, clawed, claw equaling calyx, limb spreading horizontally, broadly obovate, shallowly 2-lobed, appendages 2, narrow, 2–4 mm;

stamens equaling claw;

stigmas 5, equaling claw.

ovoid, ca. equaling calyx and often splitting it, opening by 6 broadly triangular teeth;

carpophore 1–2.5 mm.

equaling to tightly enclosed within calyx, obovate-elliptic, ca. 14 mm, opening by 5 spreading, lanceolate teeth;

carpophore ca. 2 mm.

brown, reniform, 2–2.5 mm broad, coarsely and ± evenly papillate;

papillae ca. as long as broad.

grayish brown, reniform-rotund, plump, 1–1.5 mm, coarsely verrucate.

= 24.