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现代有花植物分类系统初评

路安民   

  1. (中国科学院植物研究所)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1981-08-18 发布日期:1981-08-18
  • 通讯作者: 路安民

A preliminary review of the modern classification systems of the flowering plants

Lu An-Ming   

  1. (Institute of Botany, Academia Sinica)
  • Received:1900-01-01 Revised:1900-01-01 Online:1981-08-18 Published:1981-08-18
  • Contact: Lu An-Ming

Abstract:

  The present paper is divided into three parts:
     1.  The first part is devoted to the review of the historical origin of the modern
classification systems of the flowering plants.  Early systems of classification since the
Aristotelian time provided a basis for the modern schemes of classification. This paper
has  reviewed briefly the history  of plant  systematics,  which  is  divided  into
three periods: the period of mechanical systems of classification, of natural systems of
classification, and of phylogenetic systems of classification. The historical development
of the plant systems and the basic idea for three periods is discussed respectively. This
paper also considers that the studies of the modern classification system have been en-
tering a new period which primarily aims at overall evolutionary respects.
     2.  Comparison of the modern classification systems of the flowering plants. Four
main modern systems (i. e. A. Cronquist 1979, A. Takhtajan 1980, J. Hutchinson 1973
and A. Engler,s system as revised by H. Melchior in Engler,s Syllabus der Pflanzen-
familien 1964) which have greatly influenced the systemstics of plants are compared as
to their systematical principles, basic concepts and systematic positions of higher taxa
(orders and families) of the flowering plants.  The paper is of the opinion that there
is still much important work to be done in every field.
     3.  A review for the modern classification systems of the flowering plants.  The
paper reviews the modern classification of angiosperms from  six  aspects: a).   The
flowers plants are originated from a common ancestral stock; b).  The flowers of
angiosperms  are  homogeneous,  stamen  and  carpel  are  phylletic sporangiophores,
all  flowers  of  angiosperms  are  comparable; c).  Monocotyledons are originated
from primitive dicotyledons, and represent phylogenetically monophyletic branch; d).
The idea advocating the subdivision of Dicotyledoneae into Lignosae and Herbaceae
should be rejected as pointed out by many authors; e).  The systematical position of
Hamamelidae is still a crucial subject for further research; f).  The evolutional trends
and evaluation of taxonomic characters must be considered in connection with the cor-
relation to other characters in question.