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vitellaria
''Vitellaria paradoxa'' (formerly ''Butyrospermum parkii''), commonly known as shea tree, shi tree, or , or vitellaria, is a tree of the Sapotaceae family. It is the only species in genus ''Vitellaria'',〔(''Vitellaria paradoxa''. ) AgroForestry Tree Database. World Agroforestry Centre.〕〔Byakagaba, P., et al. (2011). (Population structure and regeneration status of ''Vitellaria paradoxa'' (C.F.Gaertn.) under different land management regimes in Uganda. ) ''Agricultural Journal'' 6(1) 14-22.〕 and is indigenous to Africa. The shea fruit consists of a thin, tart, nutritious pulp that surrounds a relatively large, oil-rich seed from which shea butter is extracted.
The shea tree is a traditional African food plant. It has been claimed to have potential to improve nutrition, boost food supply in the "annual hungry season", foster rural development, and support sustainable landcare.
==Description==
The tree starts bearing its first fruit when it is 10 to 15 years old; full production is attained when the tree is about 20 to 30 years old. It then produces nuts for up to 200 years.
The fruits resemble large plums and take 4 to 6 months to ripen. The average yield is 15 to 20 kilograms of fresh fruit per tree, with optimum yields up to 45 kilograms. Each kilogram of fruit gives approximately 400 grams of dry seeds.
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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