Calochortus longibarbatus is a species of flowering plant in the lily family with the common names long-haired star-tulip and longbeard mariposa lily. It is native to Oregon, Washington, and northern California, where it grows in the forest and woodlands of the mountains. It is a bulb-producing perennial herb which produces a branching stem up to about 30 centimeters tall. Flowers are upright, bell-shaped, pink to lavender with darker markings on the petals.