Oxalis spiralis ssp. vulcanicola Oxalis spiralis ssp. vulcanicolaCommon name(s): Spiral or Volcanic Sorrel, Oxalis vulcanicolaFamily: OxalidaceaeOrigin: South AmericaCategories: Indoor Plants | Yellow & Orange Flowers |More species from the Oxalidaceae familyCarambolaOxalis acetosellaOxalis adenophyllaOxalis articulataOxalis carnosaOxalis corniculataOxalis pes-capraeOxalis strictaOxalis tetraphyllaOxalis triangularisOxalis triangularis ssp. papilionaceaOxalis tuberosaOxalis vulcanicola “Plum Crazy”