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Lythraceae
The Lythraceae are a family of flowering plants, including about 620 species of mostly herbs, with some shrubs and trees, in 31 genera. Major genera include ''Cuphea'' (275 spp.), ''Lagerstroemia'' (56), ''Nesaea'' (50), ''Rotala'' (45), and ''Lythrum'' (35). Lythraceae have a worldwide distribution, with most species in the tropics, but ranging into temperate climate regions, as well.
The family is named after the type genus, ''Lythrum'', the loosestrifes (e.g. ''Lythrum salicaria'' purple loosestrife) and also includes henna (''Lawsonia inermis''). It now includes the pomegranate, formerly classed in a separate family Punicaceae. The family also includes the widely cultivated crape myrtle trees. Botanically, the leaves are usually in pairs (opposite), and the flower petals emerge from the rim of the calyx tube. The petals often appear crumpled.
==Characteristics==
The Lythraceae are most often herbs, and less often shrubs or trees; the shrubs and trees often have flaky bark. Traits shared by species within the Lythraceae that distinguish them from belonging to other plant families are the petals being crumpled in the bud and the many-layered outer integument of the seed.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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