Toxicodendron orientale
Species of flowering plant
From Wikipedia, the free encyclopedia
Toxicodendron orientale (Asian poison ivy) is an East Asian flowering plant in the genus Toxicodendron. It is a poison ivy, which can cause urushiol-induced contact dermatitis.
| Toxicodendron orientale | |
|---|---|
| |
| Fukushima Prefecture, Japan | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Sapindales |
| Family: | Anacardiaceae |
| Genus: | Toxicodendron |
| Species: | T. orientale |
| Binomial name | |
| Toxicodendron orientale | |
Description
Toxicodendron orientale is a climbing vine that grows on trees or other supports. The deciduous leaves of T. orientale are trifoliate and grow to be 3–10 centimetres (1+1⁄4–4 in) in length. Young branches are covered with small brown hairs that turn into red lenticels as the branches mature.
T. orientale flowers from May to June. The small yellow-green flowers grow in groups from the leaf axils. From August to September, the flowers mature into yellow-brown fruit.[citation needed]
Branch underside
Male flowers
Female flowers
Taxonomy
The species was first characterized and named by Edward Lee Greene in 1905.[1]
Distribution and habitat
It is known to grow in Sakhalin, Japan, Taiwan, South central China, and South Korea. It was introduced to parts of Uzbekistan.[2]
Toxicity
All parts of Toxicodendron orientale contain urushiol, which is known to cause severe contact dermatitis.[3]