herb, with a rhizome, bulb, or corm, rarely shrubby or treelike. Leaves basal
or cauline, alternate, opposite, or whorled. Inflorescence a panicle, raceme, spike, cymose umbel, reduced
panicle, or other, or flowers solitary. Flowers bisexual or rarely unisexual,
actinomorphic, or slightly zygomorphic, bracteoles present or absent. Perianth
usually corollalike, segments
usually 6, bi-seriate, imbricate,
valvate, or sometimes connate. Stamens usually 6, hypogynous, or adnate to
perianth segments, filaments free, or connate, anthers 2-locular, dehiscing
usually by vertical slits. Carpels usually 3, connate or united, ovary
superior, mostly 3-locular with axile placentation, ovules usually anatropous.
Fruit a capsule, or fleshy berry. Seeds with straight or curved embryo.