Contains 3 accepted taxa overall.
Characteristics
Classification
Citation
TOXICODENDRON Miller, Gard. Dict. Abr., ed. 4. 1754.
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TYPE: Toxicodendron pubescens Miller (Rhus toxicodendron Linnaeus) Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 483. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Toxicodendron pubescens | ATLANTIC POISON OAK; EASTERN POISON OAK | Native FACU (NWPL) | ||
| Toxicodendron radicans | EASTERN POISON IVY | Native FAC (NWPL) AD (WAP) | ||
| Toxicodendron vernix | POISON SUMAC | Native OBL (NWPL) FACW (DEP) |
[Family identification key]
1. Shrubs to small trees; leaves mostly with 7-15 leaflets
1. Vines or low shrubs; leaves with 3 leaflets
2
2. Leaflets mostly broadly elliptic to obovate in outline, widest at or above the middle, the tip truncate, rounded, to obtuse, without tufts of trichomes in the vein axils
2. Leaflets mostly ovate, widest below the middle, the tip acute to acuminate, with tufts of trichomes in the vein axils of the lower surface
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Philostemon | Philostemon Rafinesque, Fl. Ludov. 107. 1817. | TYPE: Philostemon radicans Rafinesque | |
| Vernix | Vernix Adanson, Fam. Pl. 2: 342. 1763. | TYPE: Rhus vernix Linnaeus |