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Photograph: Basile Morin
Samanea saman, also known as the rain tree or Albizia saman, is a species of flowering tree in the pea family, Fabaceae, that is native to Central and South America. It is a wide-canopied tree with a large umbrella-shaped crown, and usually reaches a height of 15–25 m (49–82 ft) with a diameter of 30 m (98 ft). The tree has pinkish flowers with white and red stamens, set on heads with around 12–25 flowers per head. These heads may number in the thousands, covering the whole tree.