growing beneath, or on the undersurface, as fungi on leaves.

What does Hypogenous mean?

1 : growing on the lower side (as of a leaf) —used especially of a fungus. 2 : hypogenic.

What is the meaning of Epigyny?

epigyny A floral arrangement in which the ovary is completely enclosed by the receptacle so that the stamens and perianth arise above it, from the top of the receptacle; i.e. the ovary is inferior (see illustration). The perianth and stamens are said to be epigynous with respect to the ovary, as seen in the daffodil.