(family Lythraceae, tribe Lythreae)
A genus of herbs and shrubs in which the leaves are either in whorls or opposite, usually simple, and with small or no stipules. The flowers are regular and bisexual, usually solitary, with 12 stamens in 2 whorls of different lengths. The fruit is a dry capsule, with numerous seeds without endosperm. There are 38 species, found throughout the world, except S. America.
Subjects: Plant Sciences and Forestry.