Fennel

Description

Slender, glaucescent perennial or biennial, reaching 2m in height. Stems soft, hollow, finely striate, ascending and branching alternately at flowering. Leaves to 30cm, triangular in outline, 3-4-pinnate, very finely dissected, the segments long-filiform, to 5cm long; petioles sheathing. Umbels compound, 10-40-rayed, lacking involucre and involucel; flowers bisexual, yellow.