Numerical Cytotaxonomic Studies of Hemerocallis (Liliaceae) from China

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Numerical Cytotaxonomic Studies of Hemerocallis (Liliaceae) from China

XIONG Zhi-Ting, CHEN Sing-Chi

Received:1900-01-01 Revised:1900-01-01 Online:1998-05-10 Published:1998-05-10
Contact: XIONG Zhi-Ting

Abstract

Abstract:

Comparative studies of karyotypes in Hemerocallis from China have been carried

out using numerical techniques. Taxa studied are as follows: Hemerocallis citrina, H. du-

mortieri , H. esculenta , H. forrestii , di- and triploid H. fulva , H. lilioasphodelus , H.

middendorffii, H. minor, H. multiflora and H. plicata. The results show that varia-

tion in speciation has taken place at chromosomal level, and that karyotype variations have

largely paralleled the morphological ones. Taxonomic proposals are given to treat H. citrina

and H. minor as subspecies of H. lilioasphodelus, and H. esculenta as a variety of H.

dumortieri. The results are not in favour of considering H. middendorffii as a variety of

H. dumortieri, and H. multiflora closely related to H. plicata.

Key words: Hemerocallis, Karyotype, Numerical cytotaxonomy, China

XIONG Zhi-Ting, CHEN Sing-Chi. Numerical Cytotaxonomic Studies of Hemerocallis (Liliaceae) from China[J]. .

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Numerical Cytotaxonomic Studies of Hemerocallis (Liliaceae) from China

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