| Family | Caryophyllaceae |
| Subfamily | Alsinoideae |
| Tribe | Alsineae |
| Scientific name | Pseudostellaria palibiniana (Takeda) Ohwi, non (Hemsley) Paxton |
| Synonyms | none |
| Common name | (Japanese common name) higene-wachigai-sou (ヒゲネワチガイソウ, 髭根輪違草 [meaning: shaggy roots wachigai weed (wachigai = unknown flowers name)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (south of Fukushima Prefecture, north of Central region) |
| (Other nations) Korea | |
| Habitat | Mountane or subalpine forest edge |
| Chromosomal number | 2n=32 |
| Description | Plants 10-20cm tall. Leaves 2.5-4cm long (upper leaves). Flowers 5-8 white small petals each 6-7mm long, flowering in April to May. Perennial plants. |
| Reference | Pseudostellaria palibiniana Ohwi |
| Characterization of C-Glycosylflavones and Anthocyanins in Several Species of Caryophyllaceae | |
| Note | Relatively rare species. |
| April 2007 at Akagi Natural Park |
April 2007 at Akagi Natural Park |
April 2007 at Akagi Natural Park |
| April 2007 at Akagi Natural Park |
April 2007 at Akagi Natural Park |
April 2007 at Akagi Natural Park |
| April 2007 at Akagi Natural Park |