TROPICAL PLANT ENCYCLOPEDIA
Coffea canephora, Coffea robusta
CoffeeFamily: Rubiaceae
Origin: Western Africa
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 Arabica and is less susceptible to pest and disease, but is said to a have a taste more bitter than Arabica.
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Link to this plant:
https://toptropicals.com/catalog/uid/coffea_canephora.htm