bifarious, bifariously 1. A description of plant parts that are arranged in two rows, one on each side of an axis. 2. Pointing two ways, as leaves that grow only on opposite sides of a branch; in two vertical rows. 3. Twofold; arranged in two rows. 4. Growing in two ranks; such as, needle-type leaves growing in two rows on opposite sides of a tw... Found on http://www.wordinfo.info/words/index/info/view_unit/3613/