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Canarium ovatum
''Canarium ovatum'', commonly known as pili ( ), is a species of tropical tree belonging to the genus ''Canarium''. It is one of approximately 600 species in the family Burseraceae. Pili are native to maritime Southeast Asia, Papua New Guinea, and Northern Australia. They are commercially cultivated in the Philippines for their edible nuts.
==Description==
The pili tree is an attractive symmetrically shaped evergreen, averaging tall with resinous wood and resistance to strong winds. It is dioecious, with flowers borne on cymose inflorescence at the leaf axils of young shoots. As in papaya and rambutan, functional hermaphrodites exist in pili. Pollination is by insects. Flowering of pili is frequent and fruits ripen through a prolonged period of time. The ovary contains three locules, each with two ovules, most of the time only one ovule develops (Chandler 1958).
The pili fruit is a drupe, long, in diameter, and weighs . The skin (exocarp) is smooth, thin, shiny, and turns purplish black when the fruit ripens; the pulp (mesocarp) is fibrous, fleshy, and greenish yellow in color, and the hard shell (endocarp) within protects a normally dicotyledonous embryo. The basal end of the shell (endocarp) is pointed and the apical end is more or less blunt; between the seed and the hard shell (endocarp) is a thin, brownish, fibrous seed coat developed from the inner layer of the endocarp. This thin coat usually adheres tightly to the shell and/or the seed. Much of the kernel weight is made up of the cotyledons, which are about 4.1 to 16.6% of the whole fruit; it is composed of approximately 8% carbohydrate, 11.5 to 13.9% protein, and 70% fat. Kernels from some trees may be bitter, fibrous or have a turpentine odor.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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