Tetraclea coulteri, or Coulter's wrinklefruit,[1] is a perennial plant in the mint family (Lamiaceae) that grows on sandy flats and coarse gravelly slopes of the Sonoran Desert, from southern Arizona to western Texas and northern Mexico.

[2]: 57  Its white flowers open at night and close with the warmth of day.

[2]: 57

This Lamiaceae article is a stub.

You can help Wikipedia by expanding it.