semiparasitic

/ˌsɛmiˌpɛrəˈsɪtɪk/
adjective
  1. Relating to or being a semiparasite; partly parasitic.
    • Many semiparasitic species are found in forests where they attach to tree roots.
    • The semiparasitic plant draws water from its host but still produces its own sugars.
    • The biologist studied the semiparasitic relationship between the plant and the oak tree.
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