双花草（学名：Dichanthium annulatum）为禾本科双花草属下的一个种。

Dichanthium annulatum is a species of grass. It is commonly used as a forage for livestock.

Common names include marvel grass, Diaz bluestem, Kleberg bluestem, Hindi grass, ringed dichanthium, sheda grass, medio bluestem (var. papillosum), jargu grass, Delhi grass, vuda bluegrass, two-flowered golden-beard, Santa Barbara grass (English language), pajón, yerba de vias (Spanish language), hemeira, abu qasaba (Arabic), alabang grass, lindi (Philippines), pitilla (Cuba), climacuna (Colombia), song tha'o to (Vietnam), ya Hindi, ya waen (Thailand), vleivingergras (var. papillosum) (South Africa), zu-uc (Mexico), ebastan (Mali), and lukh (Sudan).