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贵州金花茶(山茶科)分类订正

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为厘清贵州金花茶(Camellia huana)及相近物种之间的分类学关系,结合模式标本考证、野外居群观察、叶片与花粉微形态特征及近30年的引种栽培开展研究,结果表明:(1)贵州金花茶(C。huana)所引证的模式标本实际包含了不同的分类学实体;(2)应将天峨金花茶(C。tianeensis)恢复成一个独立的物种,其与贵州金花茶的区别主要在于,该种花期2—4月(vs。10月中旬—12月),当年生枝淡红至紫红色(vs。灰白色),果实扁三角状球形,果皮厚1~3 mm(vs。果实扁球形,果皮厚9~11 mm)。该研究对贵州金花茶的模式标本和贵州两种金花茶的特征与分布进行了订正。
Taxonomic Notes on Camellia huana (Theaceae)
In order to clarify the taxonomic relationship between Camellia huana and its related species,based on examination of type specimens,field observations of wild populations,leaf and pollen micro-morphological characteristics,as well as studies on introduction and cultivation over the past 30 years,the results indicated that:(1)The type specimens cited from C. huana actually contained different taxon;(2)C. tianeensis should be recognized as a distinct species. It differed from C. huana primarily in the flowering period from February to April(vs. mid-October to December),and the color of annual branch ranged from light red to burgundy(vs. grey),and its fruit was oblate triangular spherical-shape with pericarp of 1-3 mm thick(vs. fruit oblate spherical-shape with pericarp of 9-11 mm thick). Consequently,the type specimens of C. huana and the characteristics and distributions of two species were revised.

Camellia huanaCamellia liberofilamentaCamellia tianeensistype specimentaxonomic notes

江国彬、李鹤、杨焱冰、徐超然、郭忠选、邓伦秀

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贵州省林业科学研究院,西南喀斯特山地生物多样性保护国家林业和草原局重点实验室,贵阳 550005

册亨县国有林场,册亨552200

贵州金花茶 离蕊金花茶 天峨金花茶 模式标本 分类订正

2024

植物研究
东北林业大学

植物研究

CSTPCD北大核心
影响因子:0.877
ISSN:1673-5102
年,卷(期):2024.44(6)