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Issue: Vol. 653 No. 3: 19 Jun. 2024
Type: Article
Published: 2024-06-19
DOI: 10.11646/phytotaxa.653.3.7
Page range: 281-289
Abstract views: 70
PDF downloaded: 2

Zingiber inodorum (Zingiberaceae: Zingiberoideae), a new species of Z. sect. Cryptanthium from Hainan, China

Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, 571101, China. Hainan Provincial Engineering Research Center for Tropical medicinal plants, Haikou 571101, China.
Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, 571101, China. Key Laboratory of Biology and Cultivation of Chinese Medicinal Materials, Ministry of Agriculture and Rural Affairs (Trial operation),Haikou, Hainan,571101, China.
Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, 571101, China. Hainan Provincial Engineering Research Center for Tropical medicinal plants, Haikou 571101, China.
State Key Laboratory of Plant Diversity and Specialty Crops, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou, People’s Republic of China. South China National Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
Rhizome Zingiber bipinianum Z. cochleariforme group Z. guangxiense Z. magang Z. sect. Cryptanthium Z. skornickovae Monocots

Abstract

Zingiber inodorum, a new species belonging to Z. sect. Cryptanthium from Hainan, China, is described and colour plates showing its distinctive features are provided. Information on its distribution, ecology and phenology is also provided and a preliminary IUCN conservation assessment of the species is proposed. An unpublished phylogenetic study shows that Z. inodorum is related to a group of 11 species that is informally named as “Zingiber cochleariforme group”. A key to these species is provided. Among them, Z. inodorum is mostly similar to Z. guangxiense from south and southeast China in its inflorescence and flower characters. Zingiber inodorum is also similar to Z. magang and Z. skornickovae from central Vietnam in its vegetative characters. A tabulated comparison of Z. inodorum, Z. guangxiense, Z. magang and Z. skornickovae is provided.

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