Lacistemaceae
A natural order of shrubs or small trees, all natives of tropical America, extending from Brazil and Peru as far as the West Indies and Mexico. Inflorescence of axillary, solitary, or fascicled spikes; perianth of two to six (usually four) petaloid segments, persistent. Leaves alternate, shortly petiolate, entire, penniveined; stipules none. The order contains but one genus, Lacistema, and sixteen species.