interfoliaceous

[ in-ter-foh-lee-ey-shuh s ]
/ ˌɪn tərˌfoʊ liˈeɪ ʃəs /

adjective Botany.

situated between leaves, especially opposite leaves.
Also in·ter·fo·li·ar [in-ter-foh-lee-er] /ˌɪn tərˈfoʊ li ər/.

Origin of interfoliaceous

First recorded in 1750–60; inter- + foliaceous