Flora of North America species comparison

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

4–10(–15) cm, softly pubescent.

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.

cauline in 4–8 pairs, crowded;

blade gray-green, oblanceolate to obovate, spatulate, 2.5–4.5 cm × 5–15 mm, longest near middle of stem, sparsely pubescent on both surfaces, reduced and bractlike on subterranean base.

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

terminal, 1–3(–4)-flowered cymes, densely glandular-pubescent;

bracts leaflike, (0.5–)0.7–1.1 cm.

ascending and straight, (5–)7–10 mm, glandular-pubescent.

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. 30 mm diam.;

calyx purple tinged, distinctly 10-veined, tubular, inflated and expanding in fruit, 13–17 mm, densely glandular-pubescent, lobes lanceolate;

corolla scarlet, clawed, limb carmine red, turning purple on drying, ± equally deeply 2-lobed, each lobe with lateral tooth, ca. 11 mm, glabrous, claw narrowly obtriangular, equaling calyx, appendages 2, prominent, petaloid, linear, truncate, 2.5–4.5 mm;

stamens long-exserted;

stigmas 3, long-exserted.

equaling calyx, opening by 6 teeth;

carpophore less than 1 mm.

ovoid to oblong, equaling calyx, (8–)12–15 mm;

carpophore 0.5–1 mm.

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

dark brown, reniform, 1.8–2 mm diam., strongly papillate.

= 24.

= 72.