Hydrocotyle yabei var. japonica




Family Araliaceae (also placed in Apiaceae (alt. Umbelliferae))
Subfamily Hydrocotyloideae
Scientific name Hydrocotyle yabei Makino var. japonica (Makino) M. Hiroe
Synonyms Hydrocotyle japonica Makino
Common name (Japanese common name) miyama-chidome (ミヤマチドメ, 深山血止 [meaning: mountain hemostasis weed])
(English common name) none
Distribution (Japan) Honshu, Shikoku, Kyushu
(Other nations) Korea
Habitat Mountane forest
Chromosomal number 2n=ca.96 (cf. Hydrocotyle yabei: 2n=24)
Description Leaves 6-15mm across. Flowers flowering in June to September. Fruits ca. 1.5mm across. Perennial plants.
Reference Hydrocotyle japonica Makino
Hydrocotyle sibthorpioides
Chromosome Numbers of Six Species of Hydrocotyle (Umbelliferae) in Japan
Plant culture cell and use thereof (US Patent 4970151/1990)
A blood coagulation component obtained by cultured cells (European Patent EP0443635/1991)
Method for producing l-sesamin using plant cell cultures (European Patent EP0443635/1995)
A mental disease therapeutic agent (European Patent EP0442537/1995)
Blood coagulating component (Japanese Patent JP62030723/1987)
Note Atlas of Florida Vascular Plants and Index Synonymique de la Flore de France have identified that Hydrocotyle yabei Makino var. japonica (Makino) M. Hiroe is a synonym of Hydrocotyle sibthorpioides Lamarck.



September 2009
at Mt. Takao
September 2009
at Mt. Takao
September 2009
at Mt. Takao



June 2009
at Mt. Tsukuba
June 2009
at Mt. Tsukuba
June 2009
at Mt. Tsukuba