ULTRASTRUCTURE AND DEVELOPMENT OF THE MICROSPORE IN CUNNINGHAMIA LANCEOLATA (LAMB.) HOOK——Ⅱ. TETRADS, MICROSPORE, AND TAPETUM
Jiang Shu Huang Jinsheng(Department of Forestry)
JOURNAL OF NANJING FORESTRY UNIVERSITY . 1989, (02): 9 -12 .  DOI: 10.3969/j.jssn.1000-2006.1989.02.002