Herbs or subshrubs, erect, to 40 cm tall; stems terete, weakly angled, or flattened, glabrous. Leaves subsessile to petiolate; petiole to 8 mm, glabrous; blade drying papery to subleathery, oblong-lanceolate, elliptic, lanceolate, or elliptic-oblong, 4-8.5 × 1-3.5 cm, glabrous, base acute to usually cuneate or obtuse, apex acute; secondary veins indistinct; stipules perhaps interpetiolar or shortly fused around stem, triangular to ovate, 1.5-2 mm, marginally densely glandular-ciliolate, acute to obtuse. Inflorescences terminal, paniculate, cymose, multichotomous, 4-8 × 3.5-8 cm, many flowered, glabrous, purple, pedunculate; peduncles 2-4.5 cm; principal lateral axes 0.8-1.5 cm; bracts lanceolate to narrowly triangular, 0.5-3 mm; pedicels to 1.5 mm. Flowers subsessile to pedicellate, floral biology unknown. Calyx glabrous, somewhat succulent; hypanthium portion turbinate to ellipsoid, 0.9-1 mm; limb lobed essentially to base; lobes lanceolate to narrowly triangular, 1.2-2 mm. Corolla white to pale green, salverform, outside glabrous; tube 2.5-3 mm, sparsely pubescent inside; lobes ovate-triangular, ca. 2 mm. Anthers exserted, ca. 1.2 mm. Stigma included. Fruit capsular, subglobose, ca. 1.8 mm in diam., dehiscent; seeds several, brown. Fl. Apr-Aug.
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