[ hahy-puh-fil-uh s, hip-uh- ]
/ ˌhaɪ pəˈfɪl əs, ˌhɪp ə- /


growing on the undersurface of leaves, as a fungus.


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Origin of hypophyllous

First recorded in 1850–55; hypo- + -phyllous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020