Cytologyof 12 species in Aconitum L. and of 18 species in Delphinium L. of the tribe Delphineae (Ranunculaceae) from China

doi:10.7523/j.issn.2095-6134.2001.6.002

›› 2001, Vol. 39 ›› Issue (6): 502-514.DOI: 10.7523/j.issn.2095-6134.2001.6.002

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Cytologyof 12 species in Aconitum L. and of 18 species in Delphinium L. of the tribe Delphineae (Ranunculaceae) from China

YANG Qin-Er

Received:1900-01-01 Revised:1900-01-01 Online:2001-11-10
Contact: YANG Qin-Er

Abstract

Abstract:

Cytology of 12 species in Aconitum L. and of 18 species in Delphinium L. of the tribe

Delphineae (Ranunculaceae) from China have been investigated. Only A. crassiflorum is a tetra-

ploid with the chromosome number of 2n = 32, and all the other Aconitum species studied are dip-

loids with 2n = 16. In A. piepunense, up to six B-chromosomes were observed. All the Delphinium

species are diploids with 2n = 16; their karyotypes are very similar among the species, and are dis-

tinctly distinguishable from those of Aconitum species with respect to the chromosome size, chromo-

some morphology and karyotype asymmetry. From a cytological view, Delphinium seems to be more

advanced than Aconitum, as the karyotypes in Delphinium are more asymmetric than those in Aconi-

tum.

Key words: Aconitum L., Delphinium L., Chromosome, Karyotype evolution

YANG Qin-Er. Cytologyof 12 species in Aconitum L. and of 18 species in Delphinium L. of the tribe Delphineae (Ranunculaceae) from China[J]. , 2001, 39(6): 502-514.

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Cytologyof 12 species in Aconitum L. and of 18 species in Delphinium L. of the tribe Delphineae (Ranunculaceae) from China

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