Toxicodendron pubescens

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Toxicodendron pubescens
Toxicodendron pubescens FI.jpg
Photo by David J. Moorhead, University of Georgia, Bugwood.org hosted at Forestryimages.org
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Sapindales
Family: Anacardiaceae
Genus: Toxicodendron
Species: T. pubescens
Binomial name
Toxicodendron pubescens
Mill.
TOXI PUBE DIST.JPG
Natural range of Toxicodendron pubescens from USDA NRCS Plants Database.

Common Name(s): poison oak[1], Atlantic poison oak[2]

Taxonomic Notes

Synonym(s): Rhus toxicodendron; T. toxicodendron; T. toxicarium; T. quercifolium[1][2]; R. acutiloba; R. toxicarium[2]

Description

T. pubescens is a dioecious perennial that grows as a forb/herb, shrub, or subshrub.[2] Leaves are alternate, trifoliate and lobed. It can grow up to 10 ft (3 m) but is more commonly 2-4 ft (0.6-1.2 m).[3]

Distribution

Toxicodendron pubescens can be found from Long Island, NY south to north Florida, west to eastern Texas and inland to West Virginia, Tennessee, Missouri, and Kansas.[1]

Ecology

Habitat

This species is very common in sandhills but can also be found in dry woodlands and dry rock outcrops in the Piedmont and mountains.[1]

Phenology

T. pubescens flowers from March through May and fruits from August through October.[1][3] Flowers are yellow and inconspicuous. Fruits are greenish white and 0.25 in (6.4 mm) in diameter.[3]

Use by animals

T. pubescens consists of 10-25% of the diet of large mammals and 2-5% of the diet of small mammals and terrestrial birds.[2] Humans are studying the homeopathic abilities of Toxicodendron pubescens dilutions in anti-arthritic and anti-inflamation treatments.[4]

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 Weakley A. S.(2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC: University of North Carolina Herbarium.
  2. 2.0 2.1 2.2 2.3 2.4 USDA, NRCS. (2016). The PLANTS Database (http://plants.usda.gov, 21 December 2017). National Plant Data Team, Greensboro, NC 27401-4901 USA.
  3. 3.0 3.1 3.2 Plant database: Toxicodendron pubescens. (21 December 2017).Lady Bird Johnson Wildflower Center. URL: https://www.wildflower.org/plants/result.php?id_plant=TOPU2
  4. Patil C. R., Rambhade A. D., Jadhav R. B., Patil K. R., Dubey V. K., Sonara B. M., and Toshniwal S. S. (2011). Modulation of arthritis in rats by Toxicodendron pubescens and its homeopathic dilutions. Homeopathy 100(3):131-137.