J Syst Evol ›› 1995, Vol. 33 ›› Issue (6): 572-575.

• Research Articles • Previous Articles     Next Articles

A New Species of the Genus Aconitum L. from Yunnan, with an Observation on Its B Chromosomes

Yang Qin-er, Gong Xun   

  • Published:1995-11-10

Abstract: In this paper,a species of the genus Aconitum L.from Yunnan,A.tuguancunense Q.E.Yang,was described as new.Its chromosome number and karyotype,particularly intrapopulational variation of the number of B chromosomes,were reported.The number of B chromosomes was found variable not only among individuals but also among cells within the same root tip,ranging from 0 to 12.

Key words: Aconitum tuguancunense, B chromosome