bio.wikisort.org - Plant
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 Kunth | |
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]
References
- Pink, A. (2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation.
- Anderson, NP; Ayres, S (1931). "Dermatitis Venenata Due to Wigandia Caracasana: A Hitherto Unrecognized Cause: Report of Case". Cal West Med. 34 (4): 278–9. PMC 1657835. PMID 18741724.
- Hausen, B. M.; Heitsch, H.; Borrmann, B.; Koch, D.; Rathmann, R.; Richter, B.; Konig, W. A. (1995). "Structure-activity-relationships in allergic contact-dermatitis: 1. Studies on the influence of side-chain length with derivatives of primin". Contact Dermatitis. 33: 12–16. doi:10.1111/j.1600-0536.1995.tb00440.x. PMID 7493455. S2CID 9025219.
Further reading
- Brickell, Christopher (1996). Gardener's Encyclopedia of Plants & Flowers. Colour Library Books. ISBN 1-85833-472-1.
External links
- Wigandia caracasana (in Spanish)
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