Perennial herb. Rhizome 7-12 mm thick; stems up to 30 cm long, branching from the base, ascendent, furrowed or subangulate, near the base black-corky, roughish, upper part densely papillose and hirsute (hairs up to 1 mm long, appressed, and stiffish). Leaves single or few together in axillary clusters, 5-15 mm apart; sheath 2-3 mm long, 1½-2 mm wide, narrowing to the petiole and on the margin ciliate (hairs up to 2 mm long); petiole 6-11 mm long, sparsely hirsute (hairs up to 1 mm long); blade 1-2½ cmlong, 1-3 cm wide, fan-shaped, incised or split into 2-3-parted wedge-shaped segments, at the tip sharply toothed; main nerves on both surfaces distinctly flabellate. Umbels placed in the upper part of the stem opposite the leaves; peduncle terete, striate, subpapillose, ?-5½ cm long, sparsely hirsute (hairs up to 1½ mm long, spreading); bracts forming an involucre, 11 or less, up to 11 mm long and c. ¾ mm wide, acute, lanceolate, at the base connate; pedicels 30-50, terete, slender, glabrous, the outer up to 5 mm long, the inner shorter, slightly longer when in fruit. Calyx with c. 0.25 mm long, sharp teeth. Petals ¾-1 mm long, c. 1 mm wide, ovate, subconcave. Stamens 5, anthers dorsifix, rounded-elliptic. Styles 2, subfili-form, 1¼-1½ long, curved inwards. Fruit much flattened, kidney-shaped. Mericarps up to 3 mm long and up to 2½ mm wide, median rim c. 1 mm distant from the commissure, slightly crowned by the styles, densely covered by knobbly hair-like outgrowths; carpophore entire, 1½-1¾ mm long, hardly two-tipped.
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