Predominant occurrence of apical cell divisions in Oedogonium pakistanense and its phylogenetic significance
2004
Liu, Guoxiang | Hu, Zhengyu
A rare terrestrial species, Oedogonium pakistanense, was first recorded from Hubei Province, south-central China, Morphological characters, including the predominant occurrence of apical cell division and unique lateral apical caps, are described. The growth of the filaments in O. pakistanense from China is usually the result of the repeated divisions of the apical cells and intercalary divisions are rare. It is suggested that this species may represent an evolutionary transition between Oedogonium and Oedocladium, the latter being a terrestrial genus with branched filaments and cell division more often terminal than intercalary.
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