TY - JOUR T1 - New Observation of Megaspore Morphological Characteristics in Isoetes yunguiensis JF - Bulletin of Botanical Research Y1 - 2013 A1 - LI, Xiao-Dong A1 - SUN, Hao A1 - ZHANG, Da-Wei A1 - LIU, Bao-Dong SP - 271 EP - 273 KW - Isoetes yunguiensis KW - Megaspore KW - morphological characteristics AB -

New megaspore morphological characteristics of the protected plant—Isoetes yunguiensis were observed using scanning electron microscope (SEM). The result indicates: globular granule on megaspore surface; inapparent reticulate ornamentation; inapparent reticulate ornamentation with big size. Megaspore of the old ligulate heterosporophyte are easy to significantly change in size, ornamentaion and fissure.

VL - 33 IS - 3 ER -