Eranthis pinnatifida
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publication ID |
https://dx.doi.org/10.3897/phytokeys.187.75715 |
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persistent identifier |
https://treatment.plazi.org/id/8D5615FC-2175-593D-A59A-01633579A0FD |
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treatment provided by |
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scientific name |
Eranthis pinnatifida |
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Notes.
The Japanese endemic E. pinnatifida , unlike other related species, has four rather than five pairs of metacentric chromosomes (I-IV) and four rather than three pairs of submetacentric (V-VII) and subtelocentric chromosomes (VIII). The karyotype formula of the plants from three studied populations (pops 19, 21 and 22) is 2 n = 2 x = 16 = 8m + 6sm + 2stsat. These plants have secondary constrictions and small satellites at terminal regions of short arms of the pair VIII (Table 2 View Table 2 ; Figs 2H View Figure 2 and 3 View Figure 3 ). Specimens from the fourth population (pop. 20) have a pair of heteromorphic chromosomes (VIII) represented by one metacentric and one subtelocentric chromosome (Fig. 2I View Figure 2 ). The karyotype formula of these plants is 2 n = 2x = 16 = 8m + 1msat + 6sm + 1stsat. In these plants, the secondary constriction in the metacentric homologue to the VIII pair is located in the pericentromeric region. Here we present the results of the karyomorphological analysis of E. pinnatifida from the "Inabe-shi" population (pop. 21).
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