Tripterocalyx

Tripterocalyx
Scientific classification
Kingdom:	Plantae
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Nyctaginaceae
Tribe:	Nyctagineae
Genus:	Tripterocalyx (Torr.) Hook.
Species
4, see text

4, see text

Tripterocalyx is a small genus of flowering plants in the four o'clock family. It contains four species formerly included in the closely related genus Abronia, the sand-verbenas. These plants are native to North America, especially the dry desert southwest of the United States. They bloom in heads of several colorful trumpet-shaped flowers. Sandpuffs is a common name for plants in this genus.

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Wikipedia