J Syst Evol ›› 1984, Vol. 22 ›› Issue (1): 46-48.

• Research Articles • Previous Articles     Next Articles

Karyotype Analysis in Lycoris rosea Traub et Moldenke

Hsu Ping-Sheng, Huang Shao-Fu, Yu Zhi-Zhou, Lin Jin-Zhen, Mao Zong-Guo   

  • Online:1984-02-18 Published:1984-02-18

Abstract: The present paper embodies the results of a karyotypic analysis for the species Lycoris rosea Traub et Moldenke. The voucher specimen, J. Z. Lin 004 is preserved in the Herbarium of Hanchow Botanical Garden. The chromosome number in root tip cells is found for the first time to be 22, and the karyotype is shown to be an asymmetrical one with rod-shaped chromosomes. A photomicrograph, the karyotype and the idiogram are shown in Figs. 1-2. According to Levan et aL.[5], the karyotype formula of the species is 2n=22=22t. But based on the classification presented by Bose and Flory[1], the karyotype formula should be expressed as 2n=22 =C22, and the chromosomes are all with subterminal constrictions. If regarding 11 as the basic number and centric fusion as the major tendency of karyotype evolution as proposed by Inariyama[2], Stebbins[6], and Jones[3,4] in particular, L. rosea would be considered as one of the most primitive species in Lycoris from point of view of karyotype evolution. Reciprocal translocations and centric fusions would give rise to V-shaped chromosomes. Consequently, the successive decrease in chromosome number may have taken place in the speciation of the genus under discussion. Yet further evidence seems ne-cessary for the verification of the speculation.

Key words: Lycoris, L.rosea, Karyotype

[1] Manoj M. Lekhak, Siddharthan Surveswaran, Shrirang R. Yadav. Generic identity of Camptorrhiza indica (Colchicaceae) based on cytogenetics and molecular phylogenetics . J Syst Evol, 2016, 54(1): 75-82.
[2] Yuan ZHANG, Ming-Li ZHU, Si-Lan DAI. Analysis of karyotype diversity of 40 Chinese chrysanthemum cultivars . J Syst Evol, 2013, 51(3): 335-352.
[3] Neetin DESAI, Hemant KAWALKAR, Ghansham DIXIT. Biosystematics and evolutionary studies in Indian Drimia species . J Syst Evol, 2012, 50(6): 512-518.
[4] Tao DENG, Ying MENG, Hang SUN, Ze-Long NIE. Chromosome counts and karyotypes in Chaetoseris and Stenoseris (Asteraceae-Cichorieae) from the Hengduan Mountains of SW China . J Syst Evol, 2011, 49(4): 339-346.
[5] Xian-Lan DENG, Xing-Jin HE, Wei-Lue HE, Yun-Dong GAO, Hai-Yan LIU, Yu-Cheng ZHANG. Karyotype and cytogeography of the genus Heracleum (Apiaceae) in the Hengduan Mountains . J Syst Evol, 2009, 47(4): 273-285.
[6] Jian-Wen ZHANG, Ze-Long NIE, Hang SUN. Cytological study on the genus Syncalathium (Asteraceae-Lactuceae), an endemic taxon to alpine scree of the Sino-Himalayas . J Syst Evol, 2009, 47(3): 226-230.
[7] 1Shi-Yong CHEN; 1Xiao MA; 1Xin-Quan ZHANG*; 2Zhi-Hua CHEN. Karyotypes of 10 tetraploid species in Elymus (Poaceae: Triticeae) . J Syst Evol, 2008, 46(6): 886-890.
[8] Xiao-Rong WANG, Hao-Ru TANG, Juan DUAN, Ling LI. A comparative study on karyotypes of 28 taxa in Rubus sect. Idaeobatus and sect. Malachobatus (Rosaceae) from China . J Syst Evol, 2008, 46(4): 505-515.
[9] Shi-Quan WANG; Da-Ming ZHANG. Meiotic abnormalities of the fifth pair of chromosomes in Paeonia decomposita and P. intermedia . J Syst Evol, 2008, 46(2): 155-162.
[10] SHEN Yun-Guang, WANG Zhong-Lang, GUAN Kai-Yun. Karyotypes of thirteen species of Iris L. from China . J Syst Evol, 2007, 45(5): 601-618.
[11] XUE Heng-Gang, ZHOU Song-Dong, HE Xing-Jin, YU Yan. Karyotype in fifteen populations belonging to thirteen species of Euphorbia (Euphorbiaceae) in China . J Syst Evol, 2007, 45(5): 619-626.
[12] FANG Li-Qin, PAN Yue-Zhi, GONG Xun. A karyomorphological study in the monotypic genus Lamiophlomis and five species in Phlomis (Lamiaceae) . J Syst Evol, 2007, 45(5): 627-632.
[13] ZHOU Shou-Biao, YU Ben-Qi, LUO Qi, HU Jin-Rong, BI De. Karyotypes of six populations of Lycoris radiata and discovery of the tetraploid . J Syst Evol, 2007, 45(4): 513-522.
[14] KONG Hang-Hui, WANG Ai-Li, LEE Joongku, FU Cheng-Xin. Studies of systematic evolution and karyotypic variation in Smilax and Heterosmilax (Smilacaceae) . J Syst Evol, 2007, 45(3): 257-273.
[15] ZHOU Song-Dong, HE Xing-Jin*, YU Yan, XU Jie-Mei. Karyotype studies on twenty-one populations of eight species in Allium section Rhiziridium . J Syst Evol, 2007, 45(2): 207-216.
Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
No Suggested Reading articles found!