This dataset contains the digitized treatments in Plazi based on the original journal article Minh, Nguyen Thi Ai, Vinh, Tran Thai, Anh, Truong Thi Lan, Nghia, Nguyen Hoang, Truong, Hoang Thanh, Thuan, Lao Duc, Tien, Tran Van (2026): Additions to the species of Magnolia L., sect. Manglietiastrum (Y. W. Law) Noot. (Magnoliaceae) in Vietnam. PhytoKeys 277: 209-225, DOI: 10.3897/phytokeys.277.191131
Abstract
A new species of Magnolia L., sect. Manglietiastrum (Y. W. Law) Noot. (Magnoliaceae), Magnolia tienii, is described and illustrated from Vietnam based on detailed morphological observations. The new species is morphologically allied to M. praecalva and M. sinica, but it is readily distinguished by having paired terminal flowers borne on the twigs; elliptic leaves, 9.5–10.5 × 3.0– 3.5 cm, with an attenuate base and a slightly attenuate to obtuse apex; and 11 tepals per flower. Phylogenetic analysis based on rbcL sequences confirms the placement of M. tienii within sect. Manglietiastrum. The rbcL sequence differs by only a single nucleotide from those of its closest relatives, indicating a close relationship. These stable diagnostic characters strongly support the recognition of M. tienii as a distinct species.
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