Page 11 - 《广西植物》2022年第10期
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10 期                           舒江平等: 中国水韭属两个四倍体新种                                         1 6 2 9




























































    A-D. Isoëtes longpingii (YYH15160. A. Proximal view of megasporeꎻ B. Distal view of megasporeꎻ C. Proximal view of microsporeꎻ D. Distal
    view of microspore). E-H. I. sinensis from China [cited from Liu et al. (2008). E. Proximal view of megasporeꎻ F. Distal view of megasporeꎻ
    G. Proximal view of microsporeꎻ H. Distal view of microspore]. I-L. I. sinensis from Japan [cited from Watanabe et al. (1996). I. Proximal
    view of megasporeꎻ J. Distal view of megasporeꎻ K. Proximal view of microsporeꎻ L. Distal view of microspore]. M-P. I. sinensis from Korea
    [cited from Takamiya (2001). M. Proximal view of megasporeꎻ N. Distal view of megasporeꎻ O. Proximal view of microsporeꎻ P. Distal view
    of microspore].

                      Fig. 3  Palynological comparison between Isoëtes longpingii and I. sinensis


   (4) Megaspore echinate or cristate ̄reticulate.   (5)
   (5) Microspore echinateꎬ distributing in Zhejiang.   I. baodongii
   (5) Microspore levigate ̄granulateꎬ distributing in Yunnan and Guizhou.   I. yunguiensis
   (6) Leaves ca. 1 mm wide at mid ̄length.   (7)
   (6) Leaves 2-3 mm wide at mid ̄length.   I. xiangfei
   (7) Megaspore ornamentation cristate ̄reticulateꎬ chromosome numbers 66.   I. orientalis
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