悬钩子属2中国新记录种
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国家自然科学基金(31460045)


Two Newly Recorded Species of Rubus (Rosaceae) from China
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    摘要:

    报道了悬钩子属植物的2个中国新记录种,分别为浅裂悬钩子(Rubus polyadenus Cardot)和滇印悬钩子(R. opulifolius Bertol)。浅裂悬钩子发现于云南省东南部的河口和个旧等地,其与黔桂悬钩子(R. feddei H. Lév. & Vaniot)较为相近,区别在于该种枝条、叶柄和花序轴密被浅红色具腺长刺毛,叶柄较短,叶片长卵形或近琴形,顶端急尖或渐尖,萼片三角状披针形,顶端长尾尖。滇印悬钩子新发现于云南省西北部的高黎贡山,其与拟覆盆子(R. idaeopsis Focke)较为相近,区别后者在于其小叶3~5枚,花序极短,不足3 cm长,花柄很短,整个花序密集缩短成近头状。

    Abstract:

    Two plants of the genus Rubus (Rosaceae), namely Rubus polyadenus Cardot and R. opulifolius Bertol, are firstly reported here for flora of China. R. polyadenus was found in Hekou and Gejiu, southeast Yunnan; it is similar to R. feddei H. Lév. & Vaniot, but differs from the latter by its stems, branchlets and rachises with dense brown straight glandular longhairs, petioles short, leaf blades oblongovate or subpandurate, apex of the leaf acute to acuminate, sepals triangular lanceolate, apex long caudate. R. opulifolius Bertol was found in the Gaoligong Mountains, northwest Yunnan; it is similar with R. idaeopsis Focke, but differs from the latter by its leaves 3-5 foliolate, inflorescences extremely short, less than 3 cm long, pedicels very short, and the racemes short headlike.

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张玉杰,乔 娣,马菁霞,等.悬钩子属2中国新记录种[J].西北植物学报,2017,37(4):805-808

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  • 在线发布日期: 2017-05-05
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