An annual or biennial plant. Leaves generally basal and cauline, alternate, generally simple. Inflorescence generally raceme. Flowers bisexual; sepals 4, free; petals (0)4, free, generally white or yellow, often clawed; stamens generally (2,4)6, generally 4 long, 2 short; ovary 1, superior, chambers generally 2, septum membranous, connecting 2 parietal placentas, style 1, stigma simple or 2-lobed. Fruits generally capsule ("silique") with 2 deciduous valves, sometimes breaking transversely or indehiscent. Seeds 1–many per chamber. |