Equis ISSN 2398-2977

Rhododendron (Rhododendron ponticum)

Synonym(s): Azelea, Laurel, R. lancifolium, R. speciosium

Contributor(s): Alexander Campbell, Wilson Rumbeiha, Vetstream Ltd

Introduction

  • There are about 800 species of rhododendron Rhododendron (Rhododendron ponticum) worldwide.
  • Grow to 90-150 cm tall.
  • Leaves:
    • Ovate, evergreen or deciduous
    • Alternate.
    • 1-20 cm in length depending on variety.
    • Smooth and untoothed.
    • Dark green with a glossy upper surface and a dull underside.
  • Flower:
    • Bell-shaped.
    • Spring to early summer.
    • White, purple, deep rose, red, yellow, and orange.
  • Generally, only eaten by horses when food is scarce.
  • Azaleas are related plant species.

Geographical distribution

  • North America, Europe, Asia.

Toxicity

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Clinical signs

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Treatment

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Further Reading

Publications

Refereed papers

Other sources of information

  • Allison K (1999) A Guide to Plants Poisonous to Horses. J A Allen & Co Ltd. ISBN 0851316980.
  • Cooper M R & Johnson A W (1998) Poisonous Plants and Fungi - An Illustrated Guide. The Stationery Office. ISBN 0112429815.
  • Burrows G E & Tyrl R J (2001) Toxic Plants of North America. Iowa State University Press, USA.
  • Campbell A & Chapman M (2000) Handbook of Poisoning in Dogs and Cats. Blackwell Science.
  • Allison K & Day C (1997) A Guide to Plants Poisonous to Horses. British Association of Holistic Nutrition and Medicine.

Organization(s)

  • Cornell University - Poisonous Plants Informational Database. Website: www.ansci.cornell.edu/plants.
  • ToxicologyOnline.com. Website: www.toxonline.com.
  • Veterinary Poisons Information Service (VPIS), London Center, Medical Toxicology Unit, Avonley Road, London SE14 5ER, UK. Tel: +44 (0)20 7635 9195; Fax: +44 (0)20 7771 5309.
  • Veterinary Poisons Information Service (VPIS), Leeds Center, The General Infirmary, Great George Street, Leeds LS1 3EX, UK. Tel: +44 (0)113 245 0530; Fax: +44 (0)113 244 5849.


ADDED