Flora of North America species comparison

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

erect, simple or several from base, retrorsely puberulent proximally, densely so and viscid distally, with stipitate glands.

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.

blade with stiff, appressed pubescence on both surfaces;

basal petiolate, blade lanceolate to elliptic or oblanceolate, (1.5–)3–10 cm × 4–12 mm (including petiole);

cauline in 2–5 pairs, blade linear to linear-lanceolate, 3–9 cm × 2–7 mm.

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

1–20-flowered, bracteate, strongly viscid-glandular or less densely pubescent, longer hairs sometimes purple-septate;

bracts narrowly lanceolate, thick, 3–15 mm, herbaceous, apex acuminate.

stiffly erect, 0.1–5 cm, varying in length within same inflorescence.

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 10-veined, broadly tubular to narrowly ellipsoid, not inflated, 12–18 × 4–8 mm in fruit, 2–3 times as long as broad, membranous between veins, margins dentate with 5 triangular, 1.2–2 mm lobes erect in flower and spreading in fruit, apex acuminate, veins green;

petals off-white to dusky pink or dingy reddish purple, clawed, equaling or to 11/2 times calyx, claw broadened distally, limb not differentiated from claw, narrower than claw, 1–3 mm;

stamens included in calyx;

styles (4–)5, included in calyx.

equaling calyx, opening by 6 teeth;

carpophore less than 1 mm.

12–15 mm, equaling calyx (rarely to 11/2 times calyx), opening by (4–)5 spreading teeth.

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

dark brown, not winged, reniform to angular, 0.7–1 mm diam., margins finely papillate;

papillae triangular, slender, longer than broad.

= 24.