Flora of North America species comparison

numerous, erect, simple, 3–15 cm, pubescent, viscid-glandular distally.

many, decumbent to erect, usually simple, 10–40 cm, woody, pilose and glandular (rarely eglandular proximally).

mostly basal, densely tufted;

basal numerous, pseudopetiolate, blade narrowly oblanceolate, tapering into base, 0.5–3 cm × 1.5–4 mm, ± fleshy, apex acute, puberulent;

cauline in 1–3 pairs, ± sessile, reduced, blade narrowly oblanceolate to linear-lanceolate, 0.7–2 cm × 1–3 mm, apex acute, puberulent.

in 5–8 pairs, sessile but proximal ones narrowed into pseudopetiole, largest in mid-stem region, reduced proximally, scalelike at base, blade narrowly lanceolate to oblanceolate-elliptic or obovate, 2–6 cm × 3–20 mm, apex acute and acuminate, usually thick, leathery, densely puberulent and viscid-glandular or eglandular.

flowers terminal, solitary, or in single dichotomy, bracteate;

bracts leaflike, 3–15 mm.

cymose, open or congested, 3–15(–30)-flowered, sometimes compound, leafy.

erect, ca. equaling calyx, viscid glandular-pubescent, hairs with purple septa.

to 1(–1.5) cm, shortly pilose, viscid-glandular, flowers sometimes sessile.

calyx prominently 10-veined, campanulate, not contracted proximally around carpophore, 10–15 × 5–7 mm, papery, veins parallel, purplish, with pale commissures, with purple-septate glandular hairs (rarely septa not purple), lobes ovate, ca. 2 mm, margins broad, membranous, apex obtuse;

corolla off-white or tinged with dusky purple, clawed, claw equaling calyx, broadened distally, limb 2-lobed, 3–5 mm, appendages ca. 1 mm;

stamens equaling calyx;

styles 3(–4), equaling calyx.

calyx prominently 10-veined, tubular, clavate in fruit, constricted proximally around carpophore, (20–)25–30 × 4–7 mm, papery, densely glandular-puberulent, viscid, veins parallel, green, with pale commissures, lobes narrowly lanceolate, acuminate, 5–8 mm, herbaceous;

corolla pale greenish yellow to white, clawed, claw equaling calyx, ligulate, as broad as limb, limb 7–8 mm, deeply laciniate into 6 or more linear lobes, appendages oblong, laciniate, 2 mm;

stamens equaling calyx;

styles 3, exserted.

equaling calyx, opening by 6 (or 8) teeth;

carpophore 2.5–3.5 mm.

equaling calyx, opening by 6 ascending teeth;

carpophore ca. 3 mm.

brown, broadly winged, reniform, 1–2 mm, rugose-tessellate.

brown, reniform, 1.5–2 mm, margins papillate;

papillae large, inflated.

= 48.

= 48.