soursob

Noun

soursob (plural soursobs)

1. Bermuda buttercup (Oxalis pes-caprae), an edible wood sorrel native to South Africa.
   • SOURSOP WEED (OXALIS CERNUA).
     This rather pretty looking flower has become a great pest in many gardens around the city. We are asked how it is to be got rid of. Although not nearly so difficult of eradication as nut-grass, yet so many hundreds of minute bulbs gather round the parent bulb that the...1898, Queensland Agricultural Journal, volume 3, page 175
   • [see the title already]1919, A.G. Edquist, “Notes on the vitality of the Soursop (Oxalis cernua)”, in South Australia Naturalist, volume 1, pages 4–5
   1. (broadly) Any wood sorrel, especially when used as food.
      • 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.1905, The Journal of the Department of Agriculture of South Australia, volume 8, page 701
      • 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...1940, The Journal of the Department of Agriculture of South Australia, volume 38, pages 435, 436