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Pakistan Journal of Biological Sciences
  Year: 2021 | Volume: 24 | Issue: 1 | Page No.: 1-12
DOI: 10.3923/pjbs.2021.1.12
 
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Phylogeny of Alpinia coriandriodora D. Fang and Implications for Character Evolution and Conservation

Xuan Duong Vu, Chi Toan Le , Thi Bich Do, Phi Bang Cao , Quoc Binh Nguyen, Tien Chinh Vu, Trong Luong Dang, Van Du Nguyen and Bing Liu

Abstract:
Background and Objective: Alpinia, the largest genus of Zingiberaceae, includes ca. 250 species. The A. coriandriodora D. Fang was recognized for Vietnamese flora. However, the systematic position of this species within Alpinia genus was unclear. The study aimed to understand the phylogenetic placement of A. coriandriodora based on the molecular data and interpret evolution of the key morphological characters. Materials and Methods: The phylogenetic analysis were conducted by using the combined dataset of two DNA regions by both Maximum Likelihood (ML) and Bayesian Inference (BI) methods. Seven morphological characters were selected for morphological character evolution and the analysis was performed in Mesquite. Results: Alpinia coriandriodora was supported closely related to southern Chinese species of Alpinia. Morphological character optimizations suggest that the presence/absence of tomentum in leaf, inflorescence rachis and ovary is an important character for the taxonomy of Alpinia. The character evolution analyses indicated that panicle is ancestral character in Alpinia. The A. coriandriodora shares different evolutionary histories based on our character re-construction to most members of Southeast Asian Alpinia. The presence of filament is supposed to be an adaptation to the pollination by insects for species of Alpinia. Conclusion: The present study revealed the molecular phylogenetic relationship of A. coriandriodora within Alpinia. The presence of filament could be an adaptation to the pollination by insects for species of Alpinia. Some reasonable conservation strategies are proposed to protect the species including maintenance of the plant’s natural habitats, seeds or seedlings collection for germplasm storage and artificial breeding using biotechnology.
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How to cite this article:

Xuan Duong Vu, Chi Toan Le, Thi Bich Do, Phi Bang Cao, Quoc Binh Nguyen, Tien Chinh Vu, Trong Luong Dang, Van Du Nguyen and Bing Liu, 2021. Phylogeny of Alpinia coriandriodora D. Fang and Implications for Character Evolution and Conservation. Pakistan Journal of Biological Sciences, 24: 1-12.

DOI: 10.3923/pjbs.2021.1.12

URL: https://scialert.net/abstract/?doi=pjbs.2021.1.12

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