Allium toksanbaicum (Amaryllidaceae), a new species from Southeast Kazakhstan

Friesen N. Vesselova P. Osmonaly B. Sitpayeva G. Luferov A. Shmakov A.
7 April 2021 Magnolia Press

Phytotaxa
2021 #494 Issue 3 251 - 267 pp.

Allium toksanbaicum from South East Kazakhstan is described as a new species. Molecular markers reveal a close relationship to A. obliquum and some other central Asian species of the section Oreiprason. We investigated the phylogenetic relationship of the new species based on sequences of two chloroplast spacers (rpl32-TrnL and trnQ-rps16) and the nuclear ribosomal DNA internal transcribed spacer (ITS) region. The new species is diploid with a chromosome number of 2n = 2x = 16. A detailed morphological description, illustrations and karyotype features of the new species are given. With its falcate leaves, the new species is very similar to A. carolinianum from the section Falcatifolia, but in the shape of the inflorescence and flowers it is very different from it. From A. obliquum it differs for the purple colour of flowers and filaments, as well as the presence of teeth at the base of inner stamens.

Allium sect. Oreiprason , chromosomes , ITS , plastid DNA

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Botanical Garden, University of Osnabröck, Albrechtstrasse 29, Osnabröck, 49076, Germany
I.M. Sechenov First Moscow State Medical University Ministry of Health of the Russian Federation, Department of Pharmaceutical and Natural Sciences, Izmailovsky Boulevard 8, Moscow, 105043, Russian Federation
Inst. of Bot. and Phytointroduction of the Comm. of Forest. and Wildl. Belong to the Min. of Ecology, Geology and Natural Resources of the Republic of Kazakhstan, Almaty, 480070, Kazakhstan
Altai State University, Lenina str. 61, Barnaul, 656049, Russian Federation

Botanical Garden
I.M. Sechenov First Moscow State Medical University Ministry of Health of the Russian Federation
Inst. of Bot. and Phytointroduction of the Comm. of Forest. and Wildl. Belong to the Min. of Ecology
Altai State University

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