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28 October 2010

Yellow oleander (Thevetia peruviana)

"Yellow Oleander is a completely different species from the plant just called Oleander. The two bushes belong to the same family, the Dogbane Family, or Apocynaceae, but they reside in entirely different genera. Yellow Oleanders bear one leaf at each stem node (they're alternate) and the fruit is the curious fleshy drupe in the picture, while Oleanders, genus Nerium, have leaves mostly in groups of three, and the fruits are slender, okra-pod-like follicles. Follicles are dry fruits that open along one side when releasing seeds. One feature the two oleanders share, however, is that all parts of both plants are toxic.

Yellow Oleander's thick, four-sided, black fruit is really unusual. It's green when immature, then turns a bright, glossy red, and finally it becomes the dull black.  Inside is a smooth, brown stone, sometimes called a "lucky nut." Enterprising natives have been known to string lucky nuts on necklaces and sell them as charms to be carried in the pocket."  The above extract is from the following website:

"This plant is native to India.  The name thevetia was given in honour of a French monk of the 16th century, M. Andre Thevet.  The shrub belongs to the family of Apocynaceae.  It is called Zard Kunel or Pita Kaner in Hindi.  The Bengali people named it as Kolkaphul.  This nice shrub can be very easily recognised as it has some slender and pointed leaves and scattered yellow coloured fowers." The above extract is from the following website:  
http://www.indianetzone.com/5/the_yellow_oleander.htm


 Figure 1:  Yellow oleander (Thevetia peruviana): leaf, flower with milky sap and fruit.

  Figure 2:

Figure 3:
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