| Family | Poaceae (alt. Gramineae) |
| Subfamily | Pooideae |
| Tribe | Poeae |
| Scientific name | Hierochloe glabra Trinius subsp. sachalinensis (Printz) Tzvelev |
| Synonyms | Hierochloe bungeana auct., non Trinius; Hierochloe odorata (L.) P. Beauvois subsp. pubescens auct., non (Krylov) H. Hara ex T. Koyama; Hierochloe odorata (L.) P. Beauvois subsp. sachalinensis (Printz) Tzvelev; Hierochloe odorata (L.) P. Beauvois var. pubescens auct., non Krylov; Hierochloe odorata (L.) P. Beauvois var. sachalinensis Printz; Hierochloe sachalinensis (Printz) Voroshilov |
| Common name | (Japanese common name) koubou (コウボウ, 香茅 [meaning: fragrant sedge]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia (Far East), Korea | |
| Habitat | Open field, roadside |
| Chromosomal number | 2n=28 |
| Description | Culms electing 20-50cm tall. Leaves 1-4cm long, 3-7mm wide. Flowers inflorescences 4-8cm long, spikelets ca. 4-6mm long, flowering in April to June. Perennial plants. |
| Reference | Hierochloe glabra subsp. sachalinensis (Printz) Tzvelev |
| Anthoxanthum glabrum (Trinius) Veldkamp | |
| Anthoxanthum glabrum (Trin.) Veldkamp | |
| Note | GRIN and Flora of China have identified that Hierochloe glabra Trinius is a synonym of Anthoxanthum glabrum (Trinius) Veldkamp. If the identification is right then the correct scientific name of Hierochloe glabra subsp. sachalinensis should be Anthoxanthum glabrum subsp. sachalinensis. |
| April 2009 at roadside |
April 2009 at roadside |
April 2009 at roadside |
| April 2009 at roadside |
April 2009 at roadside |