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| October 2007 at Ushiku Forest Park |
October 2007 at Ushiku Forest Park |
| Family | Poaceae (alt. Gramineae) |
| Scientific name | Microstegium japonicum (Miquel) Koidzumi |
| Synonyms | Eulalia borealis (Ohwi) T. Koyama var. japonica (Miquel) T. Koyama; Leptatherum japonicum (Miquel) Franchet & Savatier; Microstegium nudum (Trinius) A. Camus subsp. japonicum (Miquel) Tzvelev; Pollinia japonica Miquel; Pollinia nuda Trinius |
| Common name | (Japanese common name) sasa-gaya [bamboo leaved saw grass] |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China | |
| Chromosomal number | 2n=20 |
| Description | Plants 20-70cm. Leaves 3-7m length, 0.7-1cm width. Flowers inflorescences 4-6cm, spikelets 3-3.5mm, flowering in August to October. Annual plants. |
| Reference | Microstegium japonicum (Miquel) Koidzumi |
| Note | Microstegium nudum (Trinius) A. Camus (syn. Eulalia nuda (Trinius) Kuntze; Leptatherum royleanum Nees; Pollinia arisanensis Hayata; Pollinia nuda Trinius) is not a synonym of Microstegium japonicum (Miquel) Koidzumi. Microstegium nudum (Trinius) A. Camus occurs in Honshu (west of Tokai region), Shikoku and Kyushu of Japan. |
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| October 2007 at Ushiku Forest Park |
October 2007 at Ushiku Forest Park |
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| October 2007 at Mt. Tsukuba |
October 2007 at Mt. Tsukuba |
October 2007 at Mt. Tsukuba |
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| October 2007 at Mt. Tsukuba |
October 2007 at Mt. Tsukuba |
