Some parasitic plants are attracted to their hosts by the same chemicals that the host uses to attract

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Mycorrhizae are mutually beneficial associations between fungi and plant roots. Some parasitic plants, such as Indian pipe (Monotropa uniflora), are attracted to their hosts by the same chemicals that the host plant releases to attract mycorrhizal fungi. These chemicals include sugars, amino acids, and other organic compounds. By mimicking these chemicals, parasitic plants are able to "trick" their hosts into accepting them as mycorrhizal partners. Once attached to the roots, these parasitic plants tap into the host's nutrient supply and steal resources without providing any benefit in return.

Some Parasitic Plants Are Attracted to Their Hosts by the Same