Stock simple or branched, emitting rhizomes producing offset plants. Lf-sheaths ± 5 cm. × 12 mm.; stipules lflike, ± = lamina. Lamina up to c. 2 dm. long, divided to thick prominent yellow midrib into several subopp. to alt. rather distant, linear, pungent pinnules up to c. 3 cm. or more long, at wide angle to midrib. Stems ± 15-20 cm. to infl. ± 10-15 cm. long, stout, grooved. Bract-sheaths of male plants ± 6 × 2 cm.; stipules and lamina of flower bracts pinnatisect. Lower bract-sheaths of female plants c. 3 × 2 cm., deep orange; stipules and laminae similar to those of male plants. Fr. ± 5 mm. long; mericarps 3-5-winged.

2n = 22