日本黄花茅 ri ben huang hua mao

Anthoxanthum alpinum A. Löve & D. Löve, Rep. Univ. Inst. Appl. Sci., Reykjavik, Dept. Agric., Ser. B 3: 105. 1948; A. nipponicum Honda; A. nipponicum var. furumii Honda; A. odoratum subsp. furumii (Honda) Koyama; A. odoratum subsp. nipponicum (Honda) Tzvelev; A. odoratum var. nipponicum (Honda) Tzvelev.

Leaf blades always glabrous. Panicle 2–3 cm; pedicels glabrous. Spikelets with glabrous glumes. Fl. and fr. Jun–Aug. 2n = 10.

Alpine bush and steppe; 1400–2900 m. Xinjiang, NE China [Japan, Korea, Russia; Europe].

Diploid variants of Anthoxanthum odoratum occur mainly in the arctic and on mountains. They tend to be glabrous, but cannot be reliably separated from the widespread, tetraploid form on the basis of morphological characters.