Plant Diversity ›› 1991, Vol. 13 ›› Issue (03): 1-3.

• Articles •    

THE KARYOTYPE ANALYSIS OF TSUGA LONGIBRACTEATA AND ITS TAXONOMIC SIGNIFICANCE

LI Lin-Chu   

  1. Department of Biology, Fudan University
  • Online:1991-06-25 Published:1991-06-25

Abstract: The present paper deals with the karyotype analysis of Tsuga longibracteata Cheng endemic to China, which is a represent species of subgen. Paleotsuga, for the first time. The somatic chromosomes in root -tip cells of the plant are found to be 2n=24, all with median and submedian constrictions. The 12th chromosome of the karyotype has a long centromere region.

Key words: Tsuga longibracteata