Monographs Details:

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

Scientific Name:


Family Description - Fls typically (including our spp.) borne in terminal, bracteate racemes, hypogynous or nearly so, usually perfect, regular or somewhat irregular; receptacle usually ± prolonged into a gynophore (the ovary appearing stipitate) or androgynophore; sep mostly 4, distinct or basally connate; pet 4, often unequal, commonly long-clawed; stamens mostly 6–many, never tetradynamous; filaments ± elongate, exsert; ovary bicarpellate, unilocular with 1 style; ovules ± numerous on 2 parietal placentas; fr in ours an elongate capsule, dehiscent by 2 valves, with a persistent, frame-like replum; seeds mostly reniform or reniform-orbicular, with little or no endosperm; plants producing mustard-oils; ours annuals with alternate, trifoliolate or palmately compound lvs. 45/800, mainly warm reg.

Common Names:

The caper family