J Integr Plant Biol. ›› 1997, Vol. 39 ›› Issue (11): -.
• Research Articles •
Zhang Yu-long and Xi Yi-zhen
Abstract: Pollen morphology of 11 species of Calligonum L. in China was examined under LM and SEM. Based on ornamentation observed under SEM,it might be divided into 4 types, viz. reticu-late-foveolate with circular or subcircular lumina, retieulate-foveolate with polygonal lumina, reticu-late-perforate and reticulate-perforate or reticulate-fossulate in the sequence of evolutionary trend. According to the shape of os, the pollen grains of Calligonum were different from those of the other genera of Polygonaceae.
Key words: Calligonum, Pollen morphology, Exine ornamentation, Identification of fossil pollen
Zhang Yu-long and Xi Yi-zhen. Pollen Morphology of Calligonum in China and Its Stratigraphical Significance[J]. J Integr Plant Biol., 1997, 39(11): -.
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