Herbs, perennials, with erect stems tufted from rootstock and from subterranean rhizomes; lower stem portions quadrangular, broadly winged, upper with wings reduced, retrorsely aculeolate. Leaves in whorls of 4-6; petiole 0.5-1 cm; blade drying leathery, ovate, 1-2 × 0.5-1 cm, both surfaces sparsely scaberulous to aculeolate, base cordate, margin revolute and aculeolate, apex cuspidate-acuminate; principal veins 3, palmate, with lateral veins extending for ca. half of blade length. Inflorescences thyrsoid, with terminal and axillary, several-flowered and 1.5-2.5 cm long cymes; axes retrorsely aculeolate with reduced bracts; pedicels filiform, 1-2 mm. Ovary ca. 1 mm, smooth. Corolla dried dark brownish, rotate, ca. 2.5 mm in diam., glabrous; lobes lanceolate-ovate, 1-1.2 mm, cuspidate. Mericarp berry unknown. Fl. Jun.
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