Brassica rapa L. / Heterotypic Synonyms: Brassica cyrenaica Spreng., it is an annual or biennial herb. The stems are well branched, although the degree of branching depends on biotype / variety and environmental conditions. Branches originate in the axils of the highest leaves on the stem, and each terminates in an inflorescence. Lower leaves are sparingly toothed or pinnatifid and petioled, while upper leaves are sessile, sub entire, oblong lanceolate and often constricted above the base. The inflorescence is an elongated raceme, the flowers are pale yellow, densely clustered at the top with open flowers borne at or above the level of terminal buds, and open upwards from the base of the raceme., Sepals (3)4–6.5(8) mm. Petals 6-11(13) mm, (2.5) 3-6 (7) mm wide. Fruit: ascending to ± spreading, (2)3–8(11) cm, 2-4(5) mm wide; terminal segment 8-22 mm; pedicel ascending to spreading, (0.5)1–2.5(3) cm. Seed 1.1-2 mm wide, spheric.
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