Herbs, perennial, 15-25 cm tall. Stems little branched, 4-angled, ± retrorsely strigose hairy. Leaves in whorls of 4, subsessile or shortly petiolate; blade rather subleathery, pale abaxially, ovate-elliptic, 8-12 × 3-5 mm, strigose to hirsute, abaxially yellowish brown glandular-punctate or striate, base cuneate, apex acute or apiculate; principal vein 1, 2 lateral veins weak. Inflorescences terminal, corymbiform, with terminal and axillary several-flowered and somewhat bracteate cymes; pedicels ca. 1.5 mm. Ovary obovoid, hispidulous. Flowers ca. 2.8 mm in diam., probably sexually differentiated (dioecious or polygamo-dioecious?). Corolla yellowish green, dark brown when dry, rotate, lobed for 3/4 or more; lobes 4, subovate, apiculate at apex. Fruit unknown, but probably with uncinate trichomes. Fl. Jun-Aug.
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