Recognizing the Toxicodendrons (poison ivy, poison oak, and poison sumac) - 07/10/17
Résumé |
Poison ivy, poison oak, and poison sumac are now classified in the genus Toxicodendron which is readily distinguished from Rhus. In the United States, there are two species of poison oak, Toxicodendron diversilobum (western poison oak) and Toxicodendron toxicarium (eastern poison oak). There are also two species of poison ivy, Toxicodendron rydbergii, a nonclimbing subshrub, and Toxicodendron radicans, which may be either a shrub or a climbing vine. There are nine subspecies of T. radicans, six of which are found in the United States. One species of poison sumac, Toxicodendron venix, occurs in the United States. Distinguishing features of these plants and characteristics that separate Toxicodendron from Rhus are outlined in the text and illustrated in colorplates.
Le texte complet de cet article est disponible en PDF.| *** | No reprints available. |
| * | An exhibit presented at the 38th Annual meeting of the American Academy of Dermatology, December, 1979. |
| ** | The following companies defrayed the cost of the color reproduction: Westwood Pharmaceuticals, Inc., The Upjohn Company, Syntex Laboratories, Inc., Stiefel Laboratories, Inc., Lederle Laboratories, and Schering Corporation. |
Vol 4 - N° 1
P. 99-114 - janvier 1981 Retour au numéro
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