Reverse Information: VIOLET WOOD SORREL (Oxalis violacea) - Uses: Sorrels are rich in Vitamin C and make one of the most delightful field nibbles. Leaves and flowers may be used raw in salads. A refreshing, lemony drink can be made by steeping the laves in hot water for 10 minutes. Then chill and serve with honey or sugar. Warning: Some people are allergic to this wilding, because of it's oxalic acid content. Flowers: March-May. Habitat: Woods, meadows, uplands.