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Haustoria (indicated by arrows and asterisks) produced by Malania oleifera plants of various ages from different growth conditions. A. Cultivated one-year-old M. oleifera seedling forming haustoria. B. Close-up of a haustorium formed by the one-year-old seedling. C. Haustoria formed by a cultivated four-year-old M. oleifera plant. D. Haustoia produced by a wild, old flowering M. oleifera tree.
