对中国8种(包括1变种)芋属(Colocasia Schott)植物的体细胞染色体数目和其中5个种的核型进行了报道.结果分别为:异色芋C.heterochroma H.Li et Z.X.Wei,2n=2x=28=18m+10sm;龚氏芋C.gongij C.L.Long et H.Li,2n=2x=28=18m(4SAT)+10sm(4SAT);贡山芋C.gaoligongensis H.Li et C.L.Long,2n=2x=28=24m+4sm;李氏香芋C.Lihengiae C.L.Long et K.M.Liu,2n=2x=28=18m(1SAT)+6sm+4st;花叶芋C.bicolorC.L.Long et L. M.Cao2n=28;紫杆芋C.lihengiae C.L.Long et K.M.Liu var.nigra C.L. Long 2n=3x=42;大野芋C.gigantea(Bmume)Hook f.,2n=2x=28=22m+4sm+2st;山芋C.konishii Hayata 2n=28.除李氏香芋、龚氏芋、大野芋和山芋外,其余染色体数目均为首次报道.在核型方面,异色芋、龚氏芋、李氏香芋、贡山芋的核型均为首次报道.
Chromosome Numbers of Eight Colocasia Taxa and Karyotypes of Five Species Occurring in China
NETL
NSTL
万方数据
维普
