Psychotria marginataPsychotria marginata is a tropical shrub in the gardenia family and native to Central America.Distribution and habitatThe species occurs from southern Mexico into tropical South America and grows primarily in wet biomes.EcologyLeaves feature pits approximately 1 mm in width that offer habitat to aggressive mites which protect the leaves against other herbivorous species. Dry-season and wet-season leaves are superficially similar but have substantial physiological differences, as the former require only half as much water to create sugar.