| Family | Ruscaceae (also placed in Liliaceae) |
| Scientific name | Maianthemum japonicum (A. Gray) LaFrankie |
| Synonyms | Smilacina hirta Maximovicz; Smilacina japonica A. Gray; Smilacina japonica A. Gray var. mandshurica Maximowicz; Smilacina rossii (Baker) Maximowicz; Smilacina trinervis Miyabe & Kudô; Tovaria japonica (A. Gray) Baker; Tovaria rossii Baker |
| Common name | (Japanese common name) yuki-zasa (ユキザサ, 雪笹 [meaning: snow bamboo]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China | |
| Habitat | Mountane forest |
| Chromosomal number | 2n=36 |
| Description | Plants 20-60cm long. Leaves 6-13cm long, hairy. Flowers pedicels 2-3mm long, 6 white perianths each 3-4mm long, flowering in May to July. Fruits 5-7mm, seeds 3.5mm. Perennial plants. |
| References | Maianthemum japonicum (A. Gray) LaFrankie |
| Safening method (US Patent 20070021303) |
| May 2007 at Mt. Tsukuba |
May 2007 at Mt. Tsukuba |
May 2007 at Mt. Tsukuba |
| May 2007 at my home |
May 2007 at my home |