| Family | Juncaceae |
| Scientific name | Luzula capitata (Miquel) Miquel ex Komarov |
| Synonyms | Luzula campestris (L.) de Candolle var. capitata Miquel; Luzula capitata (Miquel) Miquel ex Komarov var. lanigera Nakai |
| Common name | (Japanese common name) suzume-no-yari (スズメノヤリ, 雀槍 [meaning: tiny spear]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia (Siberia and eastern region), Korea, China | |
| Chromosomal number | 2n=12 |
| Description | Leaves 2-6mm wide. Scapes electing 10-30cm tall. Flowers tepals 2.5-3mm long, flowering ordinary in April to May. Perennial plants. |
| Reference | Luzula campestris (Linnaeus) de Candolle |
| Hair dye compositions for dressing the hair (US Patent 20030145395) |
| March 2007 at open field |
April 2006 at open field |
April 2006 at open field |
| April 2006 at open field |
April 2006 at open field |
April 2006 at open field |