About Euphorbia revoluta Engelm.
Euphorbia revoluta Engelm. is a species of euphorb commonly called threadstem sandmat. It is native to Mexico and the southwestern United States, ranging from California to the Rocky Mountains. This plant is an annual herb that grows thin, erect stems lined with pairs of linear leaves, and each leaf can reach up to 2.6 centimeters in length. Its inflorescence is a cyathium, with rounded nectar glands surrounding one female flower and several male flowers. White petal-like appendages may sometimes be present on the cyathium. The Navajo people historically used this plant as a skin lotion.
