Sep oblong, ascending; pet yellow (in ours), narrowly oblong, gradually narrowed to the base; short stamens surrounded at base by an annular gland; ovary narrowly ovoid, with 1-2 ovules per locule; fr hard, indehiscent, tapering above into the short style; seeds 1-4, the fr often constricted between them; septum indurate; coarse herbs with large, dandelion-like lvs. 6, Mediterranean, Asia.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.