Anatomy and ontogeny of unisexual flowers in dioecious Woonyoungia septentrionalis (Dandy) Law (Magnoliaceae)
Lin FU, Qing-Wen ZENG, Jing-Ping LIAO, Feng-Xia XU
J Syst Evol . 2009, (4): 263 -272 .  DOI: 10.1111/j.1759-6831.2009.00029.x