基于分子和形态学证据的蔷薇科（Sorbustapashana）复活。

IF 1.3 3区生物学 Q3 PLANT SCIENCES

PhytoKeys Pub Date : 2024-10-03 eCollection Date: 2024-01-01 DOI:10.3897/phytokeys.247.132538

Xin Chen, Wen-Xiang Hou, Jun-Ling Hu, Meng-Die Dong, Bao-Mei Tan

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引用次数: 0

摘要

产于中国秦岭太白山的蔷薇科植物Sorbustapashana被视为S.tianschanica的异名。这两个物种都属于一个独特的类群，其特点是芽被白色绒毛，花朵相对较大，果实为红色。然而，在基于质粒的系统发育分析中，这两个物种并没有聚类在一起。从形态上看，S.tapashana 与 S.tianschanica 的区别在于花序梗、花梗、轴、背面中脉两侧有持久的白色绒毛，小叶每侧有 31-51 个齿，伞房花序和果实小得多。因此，S.tapashana 在这里被恢复为一个独立种。

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Resurrection of Sorbustapashana (Rosaceae) based on molecular and morphological evidence.

Sorbustapashana (Rosaceae) from Taibai Shan, Qinling, China, has been treated as a synonym of S.tianschanica. Both species belong to a distinctive group characterized by white tomentose buds, relatively large flowers, and red fruits. However, these two species do not cluster together in the plastome-based phylogenetic analysis. Morphologically, S.tapashana differs from S.tianschanica by its persistent white tomentose on the peduncle, pedicels, rachis, both sides of the midrib on abaxial surface, its leaflets with 31-51 teeth on each side and much smaller corymbs and fruits. Therefore, S.tapashana is reinstated as a distinct species here.

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来源期刊

PhytoKeys PLANT SCIENCES-

CiteScore

2.60

自引率

14.30%

发文量

189

审稿时长

6 weeks

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