Stems prostrate, glabrous, sterile ones 20-30 cm tall, fertile 4-8 cm tall; branches erect. Petiole obsolete to 5 mm; leaf blade narrowly ovate, 4-5 × 1-2 cm, smaller on fertile branches, 3-5-veined, glabrous, base rounded and constricted into a very short petiole, margin entire, apex slightly acuminate. Racemes crowded, secund; bracts reduced apically, glandular hairy, as long as or slightly longer than pedicels. Flowers opposite. Pedicel ca. 2 mm, glandular hairy. Calyx ca. 3 × 4 mm; scutellum slightly dilated. Corolla white to yellowish, ca. 2.5 cm, glandular hairy outside; tube ca. 1.5 cm, base conspicuously saccate; limb ca. 1 cm. Nutlets unknown.
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