Ricinus communis, Zhaotong
Ricinus communis is a kind of annual defoliating tall herbage or perennial evergreen frutex of spurge. It was first planted in 1950s in local areas and grows well now along rivers, in the valleys or on both sides of highways in such counties as Yiliang, Daguan and Yanjin. Castor seed has an average oil content of 35-40 %.
Where to buy:
Ricinus communis is available in supermarkets of local specialties in Zhaotong City.