Shrubs, evergreen, to 1 m tall. Stems angulate-sulcate, black verruculose; spines 3-fid, concolorous, flat. Petiole 1-3 mm; leaf blade abaxially pale yellow-green, adaxially green, both surfaces shiny, narrowly lanceolate, 6-9 × 1-1.5 cm, leathery, abaxially lateral and reticulate veins inconspicuous, not pruinose, margin markedly revolute, 12-24-spinose-serrate on each side, apex acuminate. Flowers 6-10-fascicled. Pedicels 5-10 mm, glabrous; bractlets ovate, ca. 2.5 × 1.5 mm, apex acute. Sepals in 2 whorls; outer sepals ovate, ca. 3.5 × 2 mm, apex acute; inner sepals obovate, 6-7 × ca. 4.5 mm. Petals oblong-obovate, ca. 3.5 × 2 mm, base cuneate, with separate glands, apex subentire. Stamens ca. 3.5 mm; anther connective conspicuously prolonged, truncate. Ovules 4. Fruit unknown. Fl. May-Jun, fr. unknown.
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