The Collaborative International Dictionary
Oppositifolious
Oppositifolious \Op*pos`i*ti*fo"li*ous\, a. [See Opposite, Folious.] (Bot.) Placed at the same node with a leaf, but separated from it by the whole diameter of the stem; as, an oppositifolious peduncle.
Wiktionary
oppositifolious
a. (context botany English) Placed at the same node with a leaf, but separated from it by the whole diameter of the stem.