Seeds Calochortus eurycarpus White Mariposa Lily or Star tulip. This flower has a deep purple spot oneach petal adjacent to a basal, bristle lined, yellow to green gland. The petals are delta shaped with a small point, the sepals are only a little longer than the petals. Great numbers appear in early to mid summer in the mountains, where the plants grow 12 to 24 inch almost to treeline. This species name means broad seed, from the Greek. Zones 3 to 6.