Oxalis lasiandra

Oxalis lasiandra, common names palm tree oxalis and Mexican shamrock, is a plant species native to the Mexican State of Oaxaca but grown as an ornamental in other regions. It occurs in "Quercus-Acacia" and "Quercus" forests at elevations of .
"Oxalis lasiandra" is a perennial herb up to tall. It is closely related to "O. magnifica" but the bulb scales have 15–25 nerves. Leaves have 7–9 leaflets. Flowers are pink to crimson, drooping at night but pointing upward in the daytime.