BehaviorThis species' capability for vegetative reproduction, its drought tolerance, and its popularity as a garden plant, relate to this species' becoming an invasive weed in places such as eastern Australia and many Pacific islands. In the Neotropics hummingbirds sometimes pollinate this non-native plant.
Cultural''Bryophyllum delagoensis'' is unwelcome because it displaces native plants and contains bufadienolide cardiac glycosides which can cause fatal poisoning, particularly in grazing animals like cattle. During 1997, 125 head of cattle died after eating this species on a travelling stock reserve near Moree, NSW.
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