Stems simple or sparingly branched, stout, arcuate, then erect, woody at base, green to red, up to ± 6 dm. tall, bifariously pubescent when young. Lvs opp., except in floral region, crowded, overlapping, ascending, sessile. Lamina narrow-oblong to broad-ovate or elliptic, 20-30-(40) × 8-14 mm., subcoriac., glab.; margins closely, rather finely, irregularly denticulate. Fls 4-5 mm. diam., in some forms 10-12 mm.; calyx ± = petals, lobes ovate-lanceolate, ± pubescent; petals pink, obovate, emarginate. Capsules (25)-40-60-(65) mm. long, hoary; peduncles 10-15 mm. long. Seeds minutely papillose.