| + | Herbs, with alternate mostly entire lvs., and showy fls. in the upper axils or in terminal racemes: fls. regular, the calyx tubular, the petals 4, narrow at the base and entire or lobed, wide-spreading; stamens 8, the alternate ones short or rudimentary; stigmas 4, large and spreading: pod oblong or linear, 4-sided.—Half dozen or more species in W. N. Amer. See also Eucharidium. |