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Coffea canephora
''Coffea canephora'' (syn. ''Coffea robusta''), commonly known as Robusta coffee, is a species of coffee that has its origins in central and western sub-Saharan Africa. It is a species of flowering plant in the Rubiaceae family. Though widely known as ''Coffea robusta'', the plant is scientifically identified as ''Coffea canephora'', which has two main varieties, ''robusta'' and ''nganda''.
==Description==
The plant has a shallow root system and grows as a robust tree or shrub to about 10 metres. It flowers irregularly, taking about 10–11 months for cherries to ripen, producing oval-shaped beans. The robusta plant has a greater crop yield than that of ''C. arabica'', and contains more caffeine – 2.7% compared to arabica's 1.5%. As it is less susceptible to pests and disease, robusta needs much less herbicide and pesticide than arabica.
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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