Journal
PHYTOTAXA
Volume 595, Issue 2, Pages 225-235Publisher
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.595.2.9
Keywords
Allium tianmuense; new species; morphological characters; phylogenetics analysis; ITS
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In this study, a new species called Allium tianmuense is described based on morphological and molecular analyses, and its taxonomic relationships are discussed. It is found in the understorey of deciduous broad-leaved forests at an elevation of 1000-1500 m in Tianmu Mountain, Zhejiang, China. Morphological analysis reveals that A. tianmuense belongs to A. sect. Sacculiferum and differs from common species like A. thunbergii and A. chinense in terms of leaves, umbel, filaments, and phenology. Phylogenetic analysis of nuclear ribosomal DNA internal transcribed spacer (ITS) confirms the inclusion of A. tianmuense in A. sect. Sacculiferum and identifies it as a distinct species within this section.
In this paper, Allium tianmuense is described as a new species based on morphological and molecular analyses, and its taxonomic relationships are discussed. It grows in the understorey of deciduous broad-leaved forests at 1000-1500 m a.s.l. in Tianmu Mountain in Zhejiang (southeast China). Morphological analysis indicates A. tianmuense should be classified into A. sect. Sacculiferum and is distinct from the common species A. thunbergii and A. chinense in the morphology of leaves, umbel, filaments and phenology. Nuclear ribosomal DNA internal transcribed spacer (ITS) phylogenetic analysis further confirmed the inclusion of A. tianmuense within A. sect. Sacculiferum and revealed its distinction from all other species of this section representing a new species.
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