Nymphoides peltatum 第1页

STUDIES ON THE DEVELOPMENT OF THE FLORAL NECTARIES OF NYMPHOIDES PELTATUM (GMEL.) O.KUNTZ STUDIES ON THE MORPHOLOGY AND THE ULTRASTRUCTURE OF THEMATURE FLORAL NECTARY OF NYMPHOIDES PELTATUM (GMEL) O. KUNTZ DURING THE NECTAR SECRETARY PERIOD