Small tufted plant up to c. 25 cm. tall including infl. Lf-sheaths 3-5 cm. × 8-10 mm., thin; stipules lflike, rather rigid, 5-6 cm. × 5 mm., oblong, abruptly narrowed to acicular apex; petioles stiff, flat, coriac., up to 1 cm. long. Pinnae 1 pair, approximate to terminal lflt. 3·5-6·5 cm. × 3-4 mm., rigid, margins finely crenulate-serrulate, abruptly narrowed to pungent apex. Stems of male plants 2-3 dm. long including dense to open infl. ± 8-15 cm. long. Bract-sheaths up to c. 15 mm. long; stipules very narrow, spreading, pungent, c. 1 cm. long; lamina up to 2 cm. long. Umbels ± 10 mm. diam., on very slender rays; umbellules very small, on filiform rays. Stems of female plants grooved, up to 3 dm. long including dense infl up to c. 15 cm. long. Bract-sheaths c. 10 × 5 mm., submembr.; stipules up to 2 cm. long; lamina ± 3 cm. long. Umbels ± enclosed in sheaths, on short rays; umbellules small, close-set, on very short rays. Fr. ± 4 mm. long; mericarps 3-5-winged.
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