Herbs erect, to 40 cm tall. Stems obtusely quadrangular, ca. 8 mm in diam., woody, branched from middle. Branches slightly angular, minutely dull yellow glandular. Leaves alternate; petiole 1--2 cm; leaf blade elliptic, 6--15 X 2.5--6.3 cm, glabrous, base cuneate, margin entire, apex acute to short acuminate; veins 6--10 pairs, raised abaxially. Inflorescences racemose. Pedicel 2--2.5 cm in fruit, glandular. Calyx lobes narrowly ovate, ca. 4 X 2 mm, margin minutely glandular, apex acute. Fruit borne on naked lower part of branches. Capsule subglobose, ca. 5 mm in diam., 5-valved.
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