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題 名 | Rubovietnamia Nonggangensis (Rubiaceae), a New Species from China=中國廣西茜草科越南茜屬一新種:弄崗南茜 |
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作 者 | 牟鳳娟; 張奠湘; | 書刊名 | Botanical Studies |
卷 期 | 51:1 2010.01[民99.01] |
頁 次 | 頁119-126 |
分類號 | 377.2212 |
關鍵詞 | 染色體數; 梔子族; 分子系統發育; 新種; 花粉形態; 茜草科; 越南茜屬; 弄崗南茜; Chromosome number; Gardenieae; Molecular phylogeny; New species; Pollen morphology; Rubiaceae; Rubovietnamia; Rubovietnamia nonggangensis; |
語 文 | 英文(English) |
中文摘要 | 本文報導產自中國廣西壯族自治區南部石灰岩地區茜草科越南茜屬一新種: 弄崗南茜 (Rubovietnamia nonggangensis F.J. Mou & D.X. Zhang)。本新種以幼莖,托葉,葉片,花序梗、花萼和花冠外側被毛以及葉狀花萼而與同屬其他種類明顯有別。其體細胞染色體數目為2n=22 ,花粉為三孔溝,表面具穿孔紋飾。本文提供了彩色圖版、線繪圖和花粉圖片以資辨識。並將與其相近種之形態差異予以列表比較和區別, 並確定其在梔子族中的系統發育關係。 |
英文摘要 | A new Rubiaceae species, Rubovietnamia nonggangensis F. J. Mou & D. X. Zhang, is described and illustrated from Guangxi, China. The somatic chromosome number (2n = 22) and pollen morphology of the species are reported. The new species is characterized prominently by having dense hairs on many organs, such as young branches, leaves, and inflorescences, enlarged and foliaceous calyx lobes caducous after anthesis, and indehiscent and globose fruits with persistent yellowish annular floral disks on the apex. All morphological data support that it belongs to the genus Rubovietnamia, a genus distributed in Vietnam and southern China, currently classified in the tribe Gardenieae of the subfamily Ixoroideae. |
本系統中英文摘要資訊取自各篇刊載內容。