Abstract
Crinum asiaticum L. and Crinum latifolium L. are members of the family Amaryllidaceae. Karyomorphological studies of these two species had been performed by using different quantitative and qualitative parameters to know the karyotype asymmetry, which defines the advanced and primitive nature of these two species. The study revealed that Crinum asiaticum L. and Crinum latifolium L. are diploid with 2n=22 chromosomes. based on Total Chromatin Length, Arm Ratio, Gradient Index, Form Percentage, Total Form Percentage, Karyotype Asymmetry Index, Symmetry Index, and Stebbins classification, Crinum asiaticum L. is more advanced than Crinum latifolium L.
Highlights
Crinum asiaticum L. and Crinum latifolium L. are members of the family Amaryllidaceae
The study revealed that Crinum asiaticum L. and Crinum latifolium L. are diploid with 2n=22 chromosomes. based on Total Chromatin Length, Arm Ratio, Gradient Index, Form Percentage, Total Form Percentage, Karyotype Asymmetry Index, Symmetry Index, and Stebbin’s classification, Crinum asiaticum L. is more advanced than Crinum latifolium L
Two species of Crinum – C. latifolium L. and C. asiaticum L. were collected from home garden Ranchi, Jharkhand, India
Summary
Crinum asiaticum L. and Crinum latifolium L. are members of the family Amaryllidaceae. The study revealed that Crinum asiaticum L. and Crinum latifolium L. are diploid with 2n=22 chromosomes. Based on Total Chromatin Length, Arm Ratio, Gradient Index, Form Percentage, Total Form Percentage, Karyotype Asymmetry Index, Symmetry Index, and Stebbin’s classification, Crinum asiaticum L. is more advanced than Crinum latifolium L. The study of the chromosome is an implementation to reveal the karyotypic variation, systematic relationships, phylogeny, and evolution of the related species of Crinum.
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