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*Abus precatorius*, commonly known as rosarypea, 雞母珠, 美麗相思子, cam thảo dây, and barricarra, is a species of plant in the family Fabaceae. It belongs to the genus *Abrus* and is classified within the order Fabales, class Magnoliopsida, phylum Tracheophyta, and kingdom Plantae. The species is described as a toxic plant with a silique fruit type and has been used as a medicinal plant.

The taxon range includes Rio de Janeiro, Maranhão, and Piauí. It is native to regions including Aldabra, Andaman Is., Angola, Assam, Bangladesh, Benin, Botswana, Burkina, Burundi, Cambodia, Cameroon, and Cape Provinces. Records are also present in Mexico and the Philippines. The species has been described in sources such as the *Gujin Tushu Jicheng* and the *Brockhaus and Efron Encyclopedic Dictionary*.