|Scientific Name||Nerium oleander|
|Info||"Family Name: Apocynaceae Summary: Highly toxic evergreen shrub. Nativity/Habitat: Native to the Mediterranean, Iran, India, and Southern China. Grow best in warm-temperate and dry subtropical regions. Morphology/physiology: -Foliage: Lanceolate shaped leaves grow opposite to each other of in whorls of three. -Trunk/Branches: Grows to about 12 ft tall at maturation. -Flower: Blooms in the summer. In the wild, flowers are found in red and pink hues. Cultivators, however, may grow white, yellow, or purple flowered Oleanders. The flowerís shape consists of a tubular form and has five lobes. -Fruit/Seed: Fruits/seeds start to appear in summer and are gone in the fall. The fruits consist of a pair of follicles that split to disperse oblong shaped seeds that have hairs on one side. -Roots: Growth Requirements: Oleanders grow rapidly and can survive in a wide range of soils and salinity conditions. It can withstand light frosts but grows best in full sun to partial shade. Uses/Fun Facts: Oleanders are ornamental shrub or hedge cultivated extensively in the Mediterranean. The sap has been used as rat poison. This shrub is classified as highly toxic with all parts being harmful when ingested, inhaled, and if the sap comes in contact with skin. It is not just toxic to humans but also pets, livestock, and birds. Its toxicity is due to the presence of cardiac glycosides, namely oleandrin. Although it is a toxic plant, it has been cultivated since Roman times, which is depicted in wall paintings found in Pompeii. Alexander III of Macedon (Alexander the Great) has been noted as saying that his men in the military perished as a result of roasting meat skewered by Oleander twigs. Death, nausea, vomiting, cardiac arrhythmias, and hypotension are all possible side effects of ingesting Oleander. Written by Rose O'Donovan"|
|Found By||"Douglas Franz, Angel Aquino"|
|Links||"http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?25229, http://rbg-web2.rbge.org.uk/cgi-bin/nph-readbtree.pl/feout?FAMILY_XREF=&GENUS_XREF=Nerium&SPECIES_XREF=oleander&TAXON_NAME_XREF=&RANK=, http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200018424 http://www.kew.org/plants-fungi/Nerium-oleander.htm http://plants.usda.gov/java/charProfile?symbol=NEOL"|
USF Homepage -
USF Dept. of Geosciences -
USF Botanical Gardens
© 2013 - 2018. All Rights Reserved.