About Tetraclea coulteri A.Gray
Tetraclea coulteri, commonly called Coulter's wrinklefruit, is a perennial plant species belonging to the mint family, Lamiaceae. This plant grows on sandy flats and coarse gravelly slopes within the Sonoran Desert, with a range extending from southern Arizona to western Texas in the United States, and into northern Mexico. It produces white flowers that open at night, and close when daytime warmth returns.