Yellow Rocket, Barbarea vulgaris
Family: Brassicaceae; Mustard Family
Vegetative Characteristics:
Seedling: cotyledons ovate, slightly notched at tip, on long stalks
Stems: erect, 0.3-0.9 m tall, green, glabrous, numerous, branched at top
Leaves: basal rosette, alternate above, to 15.0 cm long, pinnately dissected, variable; basal leaves with large terminal lobe; lateral leaves with 4-8 lobes, becoming smaller and less lobed apically; petiole glabrous
Reproductive Characteristics:
Inflorescences: in elongated raceme, to 30.0 cm long; petals 7.0-10.0 mm long, bright yellow
Fruits: silique, 1.5-3.0 cm long, 1.5-2.0 mm wide, squarish in cross section, beak 1.0-2.0 mm long, borne on pedicel 3.0-6.0 mm long
Seeds: oblong to squarish, 1.0-1.5 mm long, light brown to gray
Special Identifying Characteristics
⇒ erect biennial or perennial; flowers bright yellow; fruit a silique, slender and slightly curved