Caespitose annual; culms up to 35 cm tall, erect or geniculately ascending, branched from the lower nodes; leaf laminas (1.5)3–15(20) cm × 1.5–2.5 mm, flat or somewhat involute, tapering to a fine point.
Inflorescence 4–12 cm long (or more); racemes 0.8–1.5 cm long, spreading or more often ± reclined.