Rumex acetosella, a species of sorrel.
Rumex acetosa (common sorrel, garden sorrel), sometimes used as a salad vegetable.
The roselle, Hibiscus sabdariffa.
A brown colour, with a tint of red.
Members of genus Oxalis or family Oxalidaceae, woodsorrels.
A drink, consumed especially in the Caribbean around Christmas, made from the flowers of Hibiscus sabdariffa: hibiscus tea.
Of a brown colour, with a tint of red. (especially: a sorrel horse)