- Flower nameCoriaria
- Scientific nameCoriaria japonica
- Aliasネズコロシ, イチロベゴロシ, 毒空木, Coriaria japonica, 一郎兵衛殺し
- Place of originJapan, Taiwan
- Place of floweringFields and footpaths, Wetlands
- Flowering seasonApril, May
What is Coriaria
Coriaria (scientific name: Coriaria japonica) is native to Japan etc., and is a toxic deciduous shrub of the family Coriariaceae. The leaves have a pointed oval shape and grow on the stem. It is a male and female strain and blooms yellow to green flowers on sunny riverbanks, cliffs and wasteland in early summer. There are 5 pistils in female flowers and 10 stamen in male flowers.
● One of the three major poisonous plants in Japan
There is a poison in the red fruit that becomes tufted like a rose after the flower. In addition, not only the fruit but also the whole tree is poisonous and toxic, so it is considered to be Japan's three major poisonous herbs, along with Dokuzeri (poisonous) and Aconitum.
Common name: Coriaria, Origin: Japan, Taiwan, Living type: Deciduous shrub, Tree height: 150 to 200 cm, Stem color: Brown, Leaf shape: Pointed oval oval, Leaf height: 5 to 8 cm, Leaf width: 1 to 5 cm, Phylogenetics: 2 rows opposite, leaf rim: full edge, petiole: Yes, flower: single flower, unisex, inflorescence, inflorescence, flower color: yellowish green Location of flower: leaf spot, flowering stage: April-May, 【Male flower】 Petal number: 5, Calyx number: 5, Inflorescence length: 5 cm, Male flower: 10, Amber: yellow, 【Female flower】 Petal number: 5, Calyx number: 5, Inflorescence length 10 cm, female cocoon: 5 bottles, ovary: 5, fruit type: ripened, fruiting stage: June to August, fruit color: red → black, fruit diameter: 1 cm, seed color: brown, remarks: whole tree with poison One of the three major poisonous herbs in Japan.