Flora of North America species comparison

erect, simple or branched, slender, to 80 cm, subglabrous to retrorsely puberulent especially proximally, distal internodes frequently glutinous.

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

2 per node;

blade with margins ciliate toward base, apex acute to obtuse;

basal blades oblanceolate, spatulate;

cauline narrowly oblanceolate to linear, 1–9 cm × 2–15 mm, scabrous or puberulent, rarely glabrous on both surfaces.

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.

cymose, open, branches usually ascending, several- to many-flowered, 1-flowered in depauperate specimens.

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

branches ascending, elongate;

bracts leaflike, 10–20 mm.

straight, stout, to 10 cm.

mature calyx prominently 10-veined, campanulate to ovate, 5–9 × 3–5 mm, margins dentate, glabrous, veins parallel, with pale commissures;

lobes usually purple, triangular, acute, ca. 1 mm;

petals white, often suffused with dark red, rarely wholly dark red, limb ovate, usually 2-lobed, ca. 2.5 mm, slightly longer than calyx, rarely petals absent, claw narrow, appendages 0.1–0.4 mm;

stamens included;

styles 3;

stigmas included.

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.

equaling calyx, opening by 6 teeth;

carpophore less than 1 mm.

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

carpophore ca. 2 mm.

dull gray-black, reniform, 0.5–0.8 mm diam., finely papillate.

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

= 24.

= 24.