Ferula biverticellata J.Thiébaut, it is a perennial herb with fusiform root stock, ranges from 20-40 cm height, stem an fibrous at the base, erect, striate divaricately branched from the middle into several branches with 2-4 whorls of inflorescence. Leaves up 35 cm, falling before anthesis, mainly basal leaves or confined to the lower part of the stem, ovate in outline, 3-4 pinnatifid, densely or sparingly scabrous bristly, segments ovate or oblong in outline, 2-3 pinnate partite, ultimate lobes short, oblong or linear, mucronate; upper leaves reduced to short acuminate sheats, not inflated, appressed to the stem. Inflorescence verticillately or corymbose branched; fertile umbells 4-14 rayed. Involucre 0 or a few bracts. Petals yellow. Stylopodium depressed- conical, much shorter than the deflexed styles. Fruit 1-1.2 cm long to 0.3-0.5 wide, as long as or somewhat longer than the pedicel, linear-elliptic.
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