靖西长喙木兰,广西木兰科一新种  

Lirianthe jingxiensis(Magnoliaceae), An Endangered New Species from Guangxi, China

作　　者：童毅华[1,2] 李兴康 夏念和 TONG Yihua;LI Xingkang;XIA Nianhe(Key Laboratory of Plant Resources Conservation and Utilization&Guangdong Provincial Key Laboratory of Digital Botanical Garden,South China Botanical Garden,Chinese Academy of Sciences,Guangzhou 510650,China;South China National Botanical Garden,Guangzhou 510650,China;Guangxi Bangliang Gibbon National Nature Reserve,Jingxi 533899,Guangxi,China)

机构地区：[1]中国科学院华南植物园,中国科学院植物资源保护与可持续利用重点实验室,广东省数字植物园重点实验室,广州510650 [2]华南国家植物园,广州510650 [3]广西邦亮长臂猿国家级自然保护区,广西靖西533899

出　　处：《热带亚热带植物学报》2023年第1期106-110,共5页Journal of Tropical and Subtropical Botany

基　　金：supported by the National Science Foundation of China(Grant No.31870180)。

摘　　要：描述了产自广西木兰科一新种:靖西长喙木兰(Lirianthe jingxiensis Y. H. Tong&N. H. Xia)。本种形态上与绢毛木兰[L. albosericea(Chun&C. H. Tsoong)N. H. Xia&C. Y. Wu]接近,但区别在于该种植株较矮,幼枝、叶柄和幼叶被黄棕色绢毛,叶柄较宽,叶片较宽,倒卵形或倒卵状椭圆形,先端钝或短渐尖,花被片较大,心皮数目较多,被黄棕色绢毛。A new species of Lirianthe(Magnoliaceae) from Guangxi, China, L. jingxiensis Y. H. Tong & N. H. Xia, is described and illustrated here. This species is morphologically most similar to L. albosericea(Chun & C.H. Tsoong) N. H. Xia & C. Y. Wu, but differs in having a much shorter height, young branches, petioles and leaf blades with yellowish-brown sericeous trichomes, wider petiole, wider leaf blades with an obovate or obovateelliptic shape and an obtuse or shortly acuminate apex, larger tepals and more carpels covered with yellowishbrown sericeous trichomes.

关 键 词：IUCN Magnolia sect.Gwillimia 分类学 

分 类 号：Q949.747.1[生物学—植物学]