Stems stout, 10-40 cm, glandular-puberulent. Leaves: basal broadly petiolate, petiole ciliate, blade oblanceolate, 7-15 cm × 7-18(-30) mm (including petiole), base cuneate, apex acute, puberulent on both surfaces; cauline in (1-)2-3(-6) pairs, sessile, blade lanceolate to elliptic-oblanceolate, 1.5-13 cm × 3-15(-30) mm, base cuneate. Inflorescences erect, cymose, sturdy,with(1-)3-6(-8) flowering nodes, 3-10(-20)-flowered; cymes usually sessile; bracts lanceolate, usually 3-30 mm. Pedicels ascending in flower, often spreading to reflexed proximal to calyx in fruit, stout, 1/ 1/ 2) times length of calyx, ± equaling calyx in fruit, viscid glandular-pubescent. Flowers: calyx campanulate, not or only slightly clavate in fruit, 13-18(-20) × (5-)6-8 mm, veins green or purple tinged, often heavily so, those to lobes lanceolate, much-broadened distally, viscid glandular-pubescent, lobes 3-5 mm, margins membranous, apex acute with obtuse, broad, ciliate margins; corolla white or greenish white, pink tinged to purple tipped, claw lanceolate, broadened distally, ciliate, limb 2-lobed, 2.5-8 mm, sometimes with lateral teeth, appendages 1-3 mm; stamens equaling petals; styles equaling petals. Capsules ellipsoid, equaling calyx; carpophore 1.5-3.5 mm. Seeds grayish brown, reniform, ca. 1 mm. 2n = 48, 96.
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