Two Newly Recorded Species of Rubus (Rosaceae) from China
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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 pol yadenus Cardot)和滇印悬钩子(R.opuli folius 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.eddei 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.
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 oblongovate 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.
new recordRubus polyadenus CardR.opulifolius BertolRubusChina
NETL
NSTL
维普
万方数据
