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題名:Begonia liuyanii (sect. Coelocentrum, Begoniaceae), a new species from limestone areas in Guangxi, China     (20點)
中國廣西石灰岩地區秋海棠屬側膜組一新種:劉演秋海棠
著者:Ching-I Peng(彭鏡毅) ;Shin-Ming Ku(古訓銘) ;Wai-Chao Leong(梁慧舟)
出版地區:台灣
出版城市:台北市
學科:生命科學
關鍵字:絲形秋海棠 ; 劉演秋海棠 ; 鐵甲秋海棠 ; 秋海棠科 ; 中國 ; 廣西 ; 石灰岩植物 ; 染色體數 ; 新種 ; 稀有植物 ; 側膜組 ; Begonia filiformis ; Begonia liuyanii ; Begonia masoniana ; Begoniaceae ; China ; Chromosome number ; Guangxi ; Limestone flora ; New species ; Rare species ; sect. Coelocentrum
刊名:Botanical Bulletin of Academia Sinica
頁碼:245-254
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

本文報導中國廣西壯族自治區西南部石灰岩地區的秋海棠屬側膜組(Begonia sect. Coelocentrum)的一個新種:劉演秋海棠(Begonia liuyanii),提供線繪圖與照片以資辨識,並報導其染色體數(2n=30)。劉演秋海棠的花朵小型、花序密佈直硬之腺毛,與同為側膜組的絲形秋海棠(B. filiformis)略似。二者主要差別在於:劉演秋海棠的葉片較大(長16-38公分,寬12-32公分)、上表面具有散生的剛毛、葉面全綠無斑紋、花序通常為聚繖圓錐狀花序等;而絲形秋海棠葉片較小(長9-22公分,寬9-14公分)、上表面被絨毛、葉上表面主脈之間具白色斑紋(此一特徵往烘乾後之臘葉標本有時不明顯)、花序為典型之聚繖花序。本文並提供同屬側膜組,較為近似之絲形秋海棠(B. filiformis)與在園藝上廣泛栽培極具觀賞價值的鐵甲秋海棠(B. masoniana)之彩色照片,以資辨識。
Begonia liuyanii, a new species of sect. Coelocentrum from limestone areas in southwestern Guangxi Zhuang Autonomous Region, China, is described and illustrated. A somatic chromosome number of 2n=30 was determined. Begonia liuyanii is similar to B. filiformis in having small flowers and glandular-hispid inflorescences but is distinguishable by its larger leaves (16-38×12-32cm vs. 9-22×9-14cm), sparsely setose (vs. tomentose) upper surface of the leaves, maculation absent (vs. with white maculation in intercostal area on adaxial leaf surface), and usually thyrsoid (vs. cymose) inflorescence.


    

本卷期目次
Botanical Bulletin of Academia Sinica
Antisense and RNAi expression for a chloroplastic superoxide dismutase gene in transgenic plants/ Shu-Yan ChenSa XiaoMan-Xiao ZhangTuo ChenHui-Chun WangLi-Zhe An
Antioxidant activities of mucilages from different Taiwanese yam cultivars/ Shyr-Yi LinHao-Yu LiuYeh-Lin LuWen-Chi Hou
Characterization of Alpha-amylase inhibitor in Vigna sublobata/ E. KokiladeviA. ManickamB. Thayumanavan
The effect of ulvoid macroalgae on the inorganic carbon utilization by an intertidal seagrass Thalassia hemprichii/ Shao-Lun LiuWei-Lung WangCheng-Chang Fu
Study on laminar hydathodes of Ficus formosana (Moraceae) Ⅰ. Morphology and ultrastructure/ Chyi-Chuann ChenYung-Reui Chen
Variation and segregation following nuclear transplantation in Antrodia cinnamomea/ Wei-Ming WangRey-Yuh WuWen-Hsiung Ko
Pseudozyma antarctica in Taiwan: a description based on morphological, physiological and molecular characteristics/ Yu-Hui WeiFwu-Ling LeeWen-Haw HsuShyue-Ru ChenChien-Cho ChenChiou-Yen WenShie-Jea LinWen-Shen ChuGwo-Fang YuanGuey-Yuh Liou
A survey of epidermal morphology in Ficus Linn. (Moraceae) of Nigeria/ Mubo A. SonibareAdeniyi A. JayeolaAdeyemi EgunyomiJin Murata
Phryma leptostachya (Phrymaceae), a new family record in Taiwan/ Ming-Jer JungGwo-Ing LiaoChang-Sheng Kuoh
Begonia liuyanii (sect. Coelocentrum, Begoniaceae), a new species from limestone areas in Guangxi, China/ Ching-I PengShin-Ming KuWai-Chao Leong
Five new species of Begonia (Begoniaceae) from Taiwan/ Ching-I PengYung-Kuang ChenWai-Chao Leong
 
   
 
   

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