縳颖假蛇尾草 zhuan ying jia she wei cao

Thaumastochloa chenii Hsu, Taiwania 16: 216. 1971; Het-eropholis cochinchinensis var. chenii (Hsu) de Koning & Sosef; Ophiuros shimadanus Ohwi & Odashima; Thaumastochloa shimadana (Ohwi & Odashima) Ohwi & Odashima.

Culms 15–30 cm tall. Sessile spikelet 3.5–5 mm; lower glume sunken and pitted between ribs. Fl. and fr. autumn.

* By the sea. S Taiwan.

This is a local variant with pitted sessile spikelets. Traces of pits also occur on some specimens of the species from Hong Kong.