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Species of evergreen flowering plant from Central America From Wikipedia, the free encyclopedia
Wigandia caracasana, the Caracus wigandia, is a species of ornamental plant. It is an evergreen that grows to a height of up to 3 metres (10 ft). It has purple flowers in large clusters from spring to autumn. Some sources treat it as a variety of the species Wigandia urens. Native to Central America, it is thought to be naturalized in southern California as a garden escape. It is commonly grown in gardens, and thrives best in a mixture of loam and peat. Cuttings in sand will strike if placed under glass and in heat.[1]
| Wigandia caracasana | |
|---|---|
| |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Boraginales |
| Family: | Boraginaceae |
| Genus: | Wigandia |
| Species: | W. caracasana |
| Binomial name | |
| Wigandia caracasana | |
The caracus wigandia can cause severe contact dermatitis.[2] A substance that it secretes, 2,3-dimethoxy-geranyl- 1,4-benzoquinone (consisting of a quinonoid ring with a 10 or 11 carbon-membered side chain) is a remarkably strong sensitizer, which is found nowhere else in the plant kingdom. It has been described as approximating an "ideal allergen".[3]
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