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Volume 9 Issue 1
Jan.  2018
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Article Navigation >  Journal of Tropical Biology  > 2018  >  9(1): 123-128

YANG Dongmei, WANG Jiamei, WANG Xiaojiao, WANG Faguo. Research Advances in Taxonomy of Pteris[J]. Journal of Tropical Biology, 2018, 9(1): 123-128. doi: 10.15886/j.cnki.rdswxb.2018.01.016
Citation: YANG Dongmei, WANG Jiamei, WANG Xiaojiao, WANG Faguo. Research Advances in Taxonomy of Pteris[J]. Journal of Tropical Biology, 2018, 9(1): 123-128. doi: 10.15886/j.cnki.rdswxb.2018.01.016
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Research Advances in Taxonomy of Pteris

doi: 10.15886/j.cnki.rdswxb.2018.01.016

  • 1. College of Horticulture, Institute of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China;

  • 2. Guangdong Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China

  • Received Date: 2017-05-14
  • Rev Recd Date: 2017-07-27
  • Due to hybridization and polyploidation,a number of complexes occur in Pteris（Pteridaceae） and some speceis in Pteris are highly similar in morphology.The history of taxonomy in Pteris can be divided into four parts:classical taxonomy,micromorphology,cytology and molecular systematics.In classical taxonomy,it was controversial that anastomosing veins should be the primary basis for classification of Pteris because veins were not always anastomosing in some Pteris species.In micromorphology,ornamentation of spores was found valuable to clarify genetic relationships in Pteris,and stomatal types were useful to distinguish Pteris from other genera.In cytology,sexual reproduction and apomixes were found to be the main reproduction styles in Pteris,and quite a few complexes were also found.Studies in molecular systematics helped a lot to clarify complicate relationships in some Pteris complexes,such as P.cadieri complex and P.fauriei complex.More complexes in Pteris need to be studied,which should focus on the origins of complexes and the genetic relationships of members in complexes.The study of complexes could improve the study on the origin and evolution of species in Pteris and clear up some taxonomic confusion in Pteris.
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Research Advances in Taxonomy of Pteris

doi: 10.15886/j.cnki.rdswxb.2018.01.016
  • 1. College of Horticulture, Institute of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China;
  • 2. Guangdong Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
  • Received Date: 2017-05-14
  • Rev Recd Date: 2017-07-27

Abstract: Due to hybridization and polyploidation,a number of complexes occur in Pteris（Pteridaceae） and some speceis in Pteris are highly similar in morphology.The history of taxonomy in Pteris can be divided into four parts:classical taxonomy,micromorphology,cytology and molecular systematics.In classical taxonomy,it was controversial that anastomosing veins should be the primary basis for classification of Pteris because veins were not always anastomosing in some Pteris species.In micromorphology,ornamentation of spores was found valuable to clarify genetic relationships in Pteris,and stomatal types were useful to distinguish Pteris from other genera.In cytology,sexual reproduction and apomixes were found to be the main reproduction styles in Pteris,and quite a few complexes were also found.Studies in molecular systematics helped a lot to clarify complicate relationships in some Pteris complexes,such as P.cadieri complex and P.fauriei complex.More complexes in Pteris need to be studied,which should focus on the origins of complexes and the genetic relationships of members in complexes.The study of complexes could improve the study on the origin and evolution of species in Pteris and clear up some taxonomic confusion in Pteris.

YANG Dongmei, WANG Jiamei, WANG Xiaojiao, WANG Faguo. Research Advances in Taxonomy of Pteris[J]. Journal of Tropical Biology, 2018, 9(1): 123-128. doi: 10.15886/j.cnki.rdswxb.2018.01.016
Citation: YANG Dongmei, WANG Jiamei, WANG Xiaojiao, WANG Faguo. Research Advances in Taxonomy of Pteris[J]. Journal of Tropical Biology, 2018, 9(1): 123-128. doi: 10.15886/j.cnki.rdswxb.2018.01.016
shu

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