The Collaborative International Dictionary
Bifarious
Bifarious \Bi*fa"ri*ous\, a. [L. bifarius; bis twice + fari to speak. Cf. Gr. ? twofold; ? twice + ? to say.]
Twofold; arranged in two rows.
(Bot.) Pointing two ways, as leaves that grow only on opposite sides of a branch; in two vertical rows.
Douglas Harper's Etymology Dictionary
Wiktionary
bifarious
a. 1 twofold, double 2 ambiguous 3 (context botany English) In two rows (on opposite sides of a branch etc.)