Upper surface of a plumeria flower petal (Plumeria sp), coloured scanning electron micrograph (SEM). Plumeria is an aromatic tree or shrub (common name Frangipani) that is common in most tropical environments. The Plumeria flower petal surface is composed of tightly pack epidermal cells. These epidermal cells have a distinct surface pattern as seen in this image. The common name, frangipani, is derived from the Italian noble who invented a Plumeria-scented perfume in the sixteenth century. The Plumeria plant is related to Oleander and both possess poisonous, milky sap, similar to that of the succulent Euphorbia. Plumeria flowers are most fragrant at night in order to attract sphinx moths for pollination. In Hawaii the Plumeria tree is grown for the production of leis. There are over 300 named varieties of Plumeria. Magnification: x295 when shortest axis printed at 25 millimetres.
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