Page 84 - 《广西植物》2020年第1期
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8 0 广 西 植 物 40 卷
大于或等于 50%的支持率显示在分支上ꎮ 主要分为三个支系ꎬ即横断山脉+中国台湾、菲律宾南达沃、马来西亚鼓亨支系(红色圈
注ꎬ右侧)、华东南支系(蓝色圈注ꎬ左侧)、大围山支系(紫色圈注ꎬ中央)ꎮ 其中:横断山脉分支包括中国云南的 AN、WD(毛滇白
珠)、QJ、SB、DL 居群ꎬ中国四川的 XC、EMS 居群ꎻ华东南支系包括中国云南的 PB、XS、ZY、TC、BS、MG、JD、YJ、WX、FY 居群ꎬ中国贵
州(包括毛滇白珠 YHA 居群)、广西、广东、湖南、湖北、重庆、江西、福建的所有居群ꎻ大围山支系仅包括中国云南的 DWS 居群ꎮ
Bootstrap values (≥ 50%) based on 1 000 replicates are indicated above branches. Three major clades are dividedꎬ i.e.ꎬ the clade from Taiwan
of Chinaꎬ the Davao del Sur of Philippinesꎬ Pahang of Malaysia plus the Hengduan Mountains (colored in redꎬ on the right)ꎬ the clade from
the southeastern China (colored in blueꎬ on the left)ꎬ and the clade from Dawei Mountain (colored in purpleꎬ in the middle). Populations from
the Hengduan Mountains clade include ANꎬ WD (G. leucocarpa var. crenulata)ꎬ QJꎬ SBꎬ and DL from Yunnan and XC and EMS from
Sichuan. The clade from the southeastern China is composed of populations from Yunnan (PBꎬ XSꎬ ZYꎬ TCꎬ BSꎬ MGꎬ JDꎬ YJꎬ WX and FY)
and all the populations from Guizhou (include YHA of G. leucocarpa var. crenulata)ꎬ Guangxiꎬ Guangdongꎬ Hunanꎬ Hubeiꎬ Chongqingꎬ
Jiangxi and Fujian in China. Populations from Dawei Mountain only include the population DWS in Yunnan of China.
图 2 滇白珠复合群的系统发育网络图ꎬ外类群为芳香白珠
Fig. 2 Neighbor ̄Net Network of populations of the Gaultheria leucocarpa var. yunnanensis complex
and related taxaꎬ with the population of G. fragrantissima as outgroup
白珠主要以根茎进行无性繁殖ꎬ 由根延伸出芽形 珠原变种为雄蕊先熟和自花授粉(Sleumerꎬ1967)ꎮ
成新植株(马小军等ꎬ2001)ꎬ且马来西亚的白果白 滇白珠复合群呈现出的遗传分化可能是地形的阻