Dendrobium tetrapterum, a cryptic species in the D. lindleyi alliance (Orchidaceae; Dendrobiinae): evidence from morphological and molecular data
文献类型： 外文期刊
作者： Wei, Chun-yi 1 ; Li, Ru-yi 1 ; Wu, Yu-wei 1 ; Huang, Ming-zhong 2 ; Li, Ming-he 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Landscape Architecture, Key Lab, Natl Forestry & Grassland Adm Orchid Conservat & U, Fuzhou 350002, Peoples R China
2.Trop Crops Genet Resources Inst, Chinese Acad Trop Agr Sci, Haikou 571101, Hainan, Peoples R China
3.Fujian Agr & Forestry Univ, Fujian Coll & Univ Engn Res Inst Conservat & Utili, Fuzhou 350002, Peoples R China
关键词： Asian orchids; cryptic species; Dendrobium phylogenetics; Malaxideae
期刊名称：PHYTOTAXA （ 影响因子：1.0； 五年影响因子：1.0 ）
ISSN： 1179-3155
年卷期： 2024 年 655 卷 2 期
页码：
收录情况： SCI
摘要： Dendrobium tetrapterum, a cryptic species in the D. lindleyi alliance, is described and illustrated. Detailed morphological comparisons indicate that it is similar to D. lindleyi and D. jenkinsii but can be distinguished by four morphological characters, namely petals without (vs. with) claw, slit (vs. entire) transverse septum at lip base, anther cap with (vs. without) indentation on each side and a rhombic (vs. pentagonal-octagonal or oblong) pseudobulb cross-section. Combined with the geographical distribution and whole plastid genome data, we confirm that D. tetrapterum is not a natural hybrid of the other two species, but a separate species.
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