Kazakhstan has an unexpected diversity of medicinal plants of the genus Acorus (Acoraceae) and could be a cradle of the triploid species A. calamus

Sokoloff, D.D.; Degtjareva, G.V.; Valiejo-Roman, C.M.; Severova, E.E.; Barinova, S.; Chepinoga, V.V.; Kuzmin, I.V.; Sennikov, A.N.; Shmakov, A.I.; Skaptsov, M.V.; Smirnov, S.V.; Remizowa, M.V.

Авторы: Sokoloff Dmitry D., Degtjareva Galina V., Valiejo-Roman Carmen M., Severova Elena E., Barinova Sophia, Chepinoga Victor V., Kuzmin Igor V., Sennikov Alexander N., Shmakov Alexander I., Skaptsov Mikhail V., Smirnov Sergey V., Remizowa Margarita V.
Журнал: Plants
Том: 13
Номер: 14
Год издания: 2024
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Первая страница: 1
Последняя страница: 19
Номер статьи: 13141978
DOI: 10.3390/plants13141978
Аннотация: The Acorus calamus group, or sweet flag, ncludes important medicinal plants and is classified into three species: A. americanus (diploid), A. verus (tetraploid), and A. calamus (sterile triploid of hybrid origin). Members of the group are famous as components of traditional Indianmedicine, and early researchers suggested the origin of the sweet flag in tropical Asia. Subsequent research led to an idea of the origin of the triploid A. calamus in the Amur River basin in temperate Asia, because this was the only region where both diploids and tetraploids were known to co-occur and be capable of sexual reproduction. Contrary to this hypothesis, triploids are currently very rare in the Amur basin. Here, we provide the first evidence that all three species occur in Kazakhstan. The new records extend earlier data on the range of A. verus for c. 1800 km. Along the valley of the Irtysh River in Kazakhstan and the adjacent Omsk Oblast of Russia, A. verus is recorded in the south, A. americanus in the north, and A. calamus is common in between. We propose the Irtysh River valley as another candidate for a cradle of the triploid species A. calamus. It is possible that the range of at least one parent species (A. americanus) has contracted through competition with its triploid derivative species, for which the Irtysh River floods provide a tool for downstream range expansion.We refine our earlier data and show that the two parent species have non-overlapping ranges ofvariation in a quantitative metric of leaf aerenchyma structure.
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Kazakhstan has an unexpected diversity of medicinal plants of the genus Acorus (Acoraceae) and could be a cradle of the triploid species A. calamusстатья

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