植物分类学报

• 研究论文 • 上一篇    下一篇

国产十四种苋属植物的染色体数目

宋葆华,张学杰,李法曾,万鹏   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2002-09-10 发布日期:2002-09-10
  • 通讯作者: 宋葆华

Chromosome numbers of 14 species in Amaranthus from China

SONG Bao-Hua, ZHANG Xue-Jie, LI Fa-Zeng, WAN Peng   

  • Received:1900-01-01 Revised:1900-01-01 Online:2002-09-10 Published:2002-09-10
  • Contact: SONG Bao-Hua

Abstract: In this paper, chromosome numbers of 14 species of the genus Amaranthus from China are reported: A. retroflexus 2n=34, A. caudatus 2n=32, A. hybridus 2n=32, A. spinosus 2n =34, A. cruentus 2n=34, A. hypochendriacus 2n=32, A. paniculdatus 2n=32, A. roxburghianus 2n=34, A. blitoides 2n=32, A. polygonoides 2n=34, A. albus 2n=32, A. viridis 2n = 34, A. lividus 2n = 34, A. tricolor 2n = 34. The number in A. roxburghianus is reported here for the first time. The basic chromosome numbers in this genus are x = 16 and x = 17 and both numbers are found in sect. Amaranthus and sect. Blitopsis. The chromosomes in this genus are very small in size, hampering a detailed karyotype analysis.

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