大凌风草 da ling feng cao

Annual. Culms solitary or loosely tufted, erect or geniculate at base, 20–60 cm tall. Leaf sheaths smooth, glabrous; leaf blades thin, 4–20 cm × 3–8 mm, margins scabrid, otherwise smooth, apex acute; ligule 2–5 mm, obtuse. Panicle loose, nodding, 7–10 cm, sparingly branched with few pendant spikelets; branches inserted singly, scaberulous, sometimes with only 1 spikelet; pedicels hairlike, shorter or longer than spikelet, drooping. Spikelets ovate, ca. 1.2 × 1 cm, tinged reddish brown, florets 7–20; lower glume 5–6 mm, 5-veined, upper glume 6–7 mm, 7–9-veined, margins purple or tawny, apex broadly rounded; lemmas very broadly ovate, wider than long, lowest 7–8 mm, 7–9-veined, glabrous or appressed-pubescent; palea obovate, 1/2–2/3 length of lemma, back glabrous, keels pubescent. Anthers ca. 2 mm. 2n = 14.

Gardens. Frequently cultivated in China [N Africa, S Europe].

This is a very attractive ornamental grass with a panicle of relatively few large spikelets. It is widely cultivated and an established introduction in many warm-temperate countries.