Chromosome Observations of Eight Species Endemic to China

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Chromosome Observations of Eight Species Endemic to China

Li Lin-Chu, Hsu Ping-Sheng

(Department of Biology, Futan University, Shanghai)

Received:1900-01-01 Revised:1900-01-01 Online:1986-04-18 Published:1986-04-18
Contact: Li Lin-Chu

Abstract

Abstract:

A report of chromosome numbers for eight species endemic to China is

made in the paper, including first counts for 4 genera and 4 species and first karyoty-

pic analyses of two species.

Sinojohnstonia chekiangensis (Migo) W. T. Wang (Boraginaceae) 2n=24*;

Coptis chinenis Franch (Ranunculaceae) 2n=18**;

Dichocarpum dalzielii (Drumm. et Hutch.) W. T. Wang et Hsiao (Ranunculaceae)

2n=24*;

Eomecon chionantha Hance (Papaveraceae) 2n=18;

Camptotheca acuminata Dcne. (Nyssaceae) 2n=44;

Calycanthus chinensis Cheng et S. Y. Chang (Calycanthaceae) 2n=22**;

Eucommia ulmoides Oliv. (Eucommiaceae) n=17;

Pinellia pedatisecta Schott (Araceae) 2n=26;

The previous reports of chromosome numbers of the same groups are compared with

our own (See Table 1). The vouchers for the present study are preserved in the Herba-

rium of Futan University.

Key words: chromosome number, karyotype, Sinojohnstonia chekiangensis, Coptis chinensis, Dichocarpum dalzielii, Eomecon chionantha, Camptotheca acuminata, Calycanthus chinensis, Eucommia ulmoides, Pinellia pedatisecta

Li Lin-Chu, Hsu Ping-Sheng. Chromosome Observations of Eight Species Endemic to China[J]. .

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