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題 名 | Gentiana Bambuseti (Gentianaceae), a New Species From Taiwan=臺灣產龍膽屬新種植物--竹林龍膽 |
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作 者 | 謝東佑; 許天銓; 河野淑子; 古訓銘; 彭鏡毅; | 書刊名 | Botanical Studies |
卷 期 | 48:3 2007.07[民96.07] |
頁 次 | 頁349-355 |
分類號 | 377.222 |
關鍵詞 | 染色體細胞學; 竹林龍膽; 筆龍膽; 核型分析; 新種; 稀有植物; 臺灣; 分類學; Chromosome cytology; Gentiana bambuseti; Gentiana zollingerii; Karyotype analysis; New Species; Rare species; Taiwan; Taxonomy; |
語 文 | 英文(English) |
中文摘要 | 本文描述臺灣產龍膽屬植物一新種—竹林龍膽(Gentiana bambuseti T. Y. Heish, T. C. Hsu, S. M. Ku & C.-I Peng)。本新種略似東亞產之筆龍膽(G. zollingerii Fawcett),不同在於竹林龍膽下部莖單一而無葉,莖上部分枝;葉片基部非心形,葉緣具細粗糙狀軟骨邊;花較小,長約9-12cm;萼裂片先端為芒狀漸尖。竹林龍膽具單一且無社的下部莖,易與臺灣其他龍膽物種區別。本文提供竹林龍的彩色圖版、線繪圖、分布圖以及和種子的電顯圖;報導其體色染色體數(2n=60),並經由核型分析探討可能之多倍體起源。竹林龍膽相當稀有,目前僅知零星分布於中臺灣阿里山山區海拔約1,400-1,700m的竹林邊綠,受到人工採收竹筍的嚴重干擾。 |
英文摘要 | Gentiana bambuseti T. Y. Hsieh, T, C Hsu, S. M. Ku & C.-I Peng, a new species from Taiwan, is described and illustrated. This new species resembles G. zollingerii Fawcett, differing in the radical leaves not cordate, flowers shorter (ca, 9-12 mm long); branches from middle or above; lower half of stem simple and leafless; leaf margins cartilaginous and scabrescent; and apex of calyx lobes aristate-acuminate. This species occur sporadically in the Alishan Range at 1,400-1,700 m altitutde in central Taiwan. It is remarkably distinct from all congeners in Taiwan in the long, simple, leafless stem base. A somatic chromosome number of 2n=60 was determined and the karyotype was analyzed for G. bambuseti. A color plate, line drawings, distribution map, and SEM microphotographs of seeds and pollen are documented for this new species. Gentiana bambuseti is highly vulnerable to heavy disturbance during harvesting in the bamboo forests. |
本系統中英文摘要資訊取自各篇刊載內容。