C. afghanica, aitchinsonii, chionophylla, erdellii, ledebouriana, maracandica, popovii & sewerzowii C. afghanicaC. aitchinsoniiC. chionophilaC. erdelliiC. ledebourianaC. maracandicaC. popoviiC. sewerzowii Section DuplotuberSection Radix-cava