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Chromosome number ofSaruma oliver (Aristolochiaceae)
Authors:Takashi Sugawara
Affiliation:(1) Makino Herbarium, Faculty of Science, Tokyo Metropolitan University, Setagaya, 158 Tokyo
Abstract:Chromosome number ofSaruma henryi, the only species of the genus, was counted for the first time. The species has 2n=52 chromosomes, and its chromosomal complement is characteristically composed of very small chromosomes. Based on chromosome data available for the family, comparisons indicate an isolated position ofSaruma in Aristolochiaceae.
Keywords:Aristolochiaceae   Asarum   Chromosome number   Saruma
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