Stems stiff, finely striate, up to c. 3 dm. tall; lamina up to ± 8 cm. long, on petiole c. 4-8 cm. long including broad membr. sheath; pinnae up to ± 9 pairs, subcoriac., distant, up to c. 10 × 10 mm., sessile to shortly petiolulate, pinnately divided to midvein into 2-3 pairs of distant linear lobes (these sts again lobed) with obtuse to subacute minutely apiculate apex. Umbels compound or simple, up to c. 3 cm. diam. in fr., us. several on common peduncle up to c. 6 cm. long; involucral bracts linear. Fr. ovate-oblong in outline; strongly compressed, ± 3-4 mm. long; mericarps with acute to winged ridges.