Medicinal Plants of the High Andes

Common name: Wood sorrel
Quechua name: Oca
Spanish name: Vinagrillo
Scientific name: Oxalis spp.

This herbaceous plant grows in rocky soil to a height of ten inches. Its yellow flowers measure 2.5 centimeters in diameter, have 5 petals, and grow in umbel form. The basal leaves are trifoliate. Medicinally, it is used to purify blood after poisoning.