Only to certain plants. Specifically, the tree exerts an allelopathic effect on surrounding vegetation. That effect actually is a germination inhibitor, which keeps plants from maturing into attractive, healthy plants. But they are not poisonous for humans.
23:41, 14 December 2011
A tropical pitcher plant that is known for its ability to ...
St John's wort is a perennial plant with extensive, ...
Pollen is a fine to coarse powder containing the ...
Chlorophytum comosum, often called the spider plant, ...
Chamaedorea elegans, the neanthe bella palm or parlour ...
Sansevieria trifasciata, also called snake plant, ...
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