星粟草（学名：Glinus lotoides）为番杏科星粟草属下的一个种。

Glinus lotoides is a species of flowering plant in the family Molluginaceae known by the common names damascisa and lotus sweetjuice. It is native to Eurasia and Africa and it is known in many other places as an introduced species. It is a prostrate to somewhat upright annual herb with a stem up to about 30 or 35 centimeters long and coated in feltlike whitish hairs. The oval or spade-shaped leaves are located in whorls about the stem. Each is a few millimeters to 3 centimeters long. The inflorescence is a tight cluster of five to ten small flowers. Each flower has five woolly sepals and no petals. The fruit is an oval capsule about four millimeters long.