Perennial richly branched herbs or subshrubs with usually dense cover of branched, mainly stellate hairs. Leaves undivided. Racemes ebracteate, mostly with showy flowers, much elongated in fruit. Sepals not saccate, the inner at their bases somewhat cupulate, coherent. Petals in shades of violet to yellow, mostly clawed. Stamens 6, distinctly tetradynamous; filaments linear, free; anthers long, linear to subulate, acute. Nectaries at each side of each lateral stamen, prominent, prism-shaped to lobate, truncate. Ovary broadly linear; stigma practically sessile, conoidal, bifid; ovules numerous. Fruit a siliqua, tardily dehiscent, quadrangulate to nearly terete, with ± distinct transverse septa between the seeds; each valve often protruded into an apical horn; style in fruit very short. Seeds uniseriate, compressed, wingless or with narrow wing, mucilaginous.
Home