Nyctaginaceae Juss.

Four-o'clock Family

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Plants > Angiosperms > Nyctaginaceae

Kingdom: Plantae
Clade: Angiosperms
Class: Dicots
Order: Caryophyllales
Family: Nyctaginaceae

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​Nyctaginaceae, the four o'clock family, is a family of around 33 genera and 290 species of flowering plants, widely distributed in tropical and subtropical regions, with a few representatives in temperate regions. The family has a unique fruit type, called an "anthocarp", and many genera have extremely large pollen grains. Wikipedia

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Genera: Boerhavia, ​Bougainvillea

Boerhavia diffusa

Boerhavia erecta

Bougainvillea glabra

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References: 
Wikipedia