(a.) Twice pinnate.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Bipinnated. Retrieved September 21, 2026, from http://smartdefine.org/bipinnated/definitions/1980462 |
| Chicago | Webster's. 2011. "Bipinnated" http://smartdefine.org/bipinnated/definitions/1980462 (accessed September 21, 2026). |
| Harvard | Webster's 2011, Bipinnated, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/bipinnated/definitions/1980462>. |
| MLA | Webster's. "Bipinnated" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/bipinnated/definitions/1980462> |