Silene drummondii Hook.

Plants perennial; taproot stout; caudex branched, somewhat fleshy. Stems erect, simple or several from base, retrorsely puberulent proximally, densely so and viscid distally, with stipitate glands. Leaves: 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. Inflorescences 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. Pedicels stiffly erect, 0.1-5 cm, varying in length within same inflorescence. Flowers: 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. Capsules 12-15 mm, equaling calyx (rarely to 11/ 2 times calyx), opening by (4-)5 spreading teeth. Seeds dark brown, not winged, reniform to angular, 0.7-1 mm diam., margins finely papillate; papillae triangular, slender, longer than broad.