soursop

1. Bermuda buttercup (Oxalis pes-caprae), an edible wood sorrel native to South AfricaExamples: "Soursop. Mr. J. E. Taylor read a short paper on the “Soursop” (Oxalis). It was to be regretted that those who introduced this weed were not better acquainted with its habits."; "Unmanured soils growing sorrel, soursop (Oxalis spp.) and similar acid-loving plants, will usually produce pasture and other forages low in both lime and phosphoric acid. […] Similarly, lime is required to neutralize many acids which are characteristic of some plants such as sorrel, soursop, rhubarb, &c."Synonyms: soursobbroadly