Oxalidaceae - wood-sorrel family
 

WeedsPoisonous PlantsHay Fever
Gerald A. Mulligan (Agriculture Canada, Ottawa, retired)
Oxalis stricta L., European wood-sorrel, oxalide d’Europe
br> A perennial, with semi-erect to erect stems up to 18 inches (45 cm.) high. It sometimes behaves like an annual. Flowers have 5 petals and are a bright yellow. Mature flowers and seed capsules are on straight stalks. Mature seed capsules often open explosively, scattering its seeds. European wood-sorrel is a weed of lawns, gardens, and other disturbed habitats. It is especially common near dwellings. It was introduced to this Continent from Europe and it is now naturalized throughout our area.


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Weed Name Photo Weed Name Photo
European wood-sorrel, oxalide d’Europe European wood-sorrel, oxalide d’Europe
European wood-sorrel, oxalide d’Europe European wood-sorrel, oxalide d’Europe
European wood-sorrel, oxalide d’Europe
(capsules)
European wood-sorrel, oxalide d’Europe
(stem hairs)