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, straggling to erect, freely branched, 2–7 cm, pilose and glandular, sparsely so proximally.

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 leaves withered at time of flowering, distal sessile, proximal petiolate, largest on mid to distal stem;

blade subrotund to broadly ovate-lanceolate, 3–10 cm × 20–70 mm, base cuneate into petiole, apex short-acuminate, sparsely short-pilose.

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

cymose, open, few-flowered, leafy, bracteate;

bracts resembling distal leaves.

1–3(–4) cm, viscid, with long septate-glandular hairs.

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.

calyx indistinctly veined, tubular, broadened distally, constricted towards base around carpophore, ± umbilicate, 20–25 × 5–8 mm, herbaceous, glandular-pilose, lobes triangular, 3–4 mm, margins narrow, membranous, ciliate;

corolla scarlet, clawed, claw equaling calyx, limb deeply 2-lobed, 10–15 mm, lobes lanceolate, sometimes with 2 smaller lateral teeth, ciliate, appendages saccate, 1–1.5 mm, with clear area abaxially;

stamens shortly exserted;

styles 3, shortly exserted.

equaling calyx, opening by 6 teeth;

carpophore less than 1 mm.

narrowly ellipsoid, not distending calyx, included within it, opening by 6 teeth;

carpophore 6–8 mm.

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

gray, broadly reniform, plump, ca. 1 mm, shallowly papillate.

= 24.

= 48.