Chromosome numbers of seven taxa of the genus Cyperus L. (Cyperaceae) from Japan.

Hiramoto I, Yano O

Chromosome numbers of seven taxa of Cyperus L. (Cyperaceae) collected from Japan are presented. Our findings differ from previous reports and are as follows: 2n=58 for C. brevifolius (Rottb.) Hassk. var.
leiolepis (Franch. & Sav.) T.Koyama, 2n=50 for C. distans L.f., 2n=44 for C. eragrostis Lam., 2n=30 for C. flaccidus R.Br., 2n=64 for C. flavidus Retz., 2n=28 for C. haspan L., and 2n=64 for C. tenuispica Steud.

Cytologia

90

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63

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