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題 名 | A New Variety from Taiwan: Michelia Compressa var. Lanyuensis (Magnoliaceae)=臺灣特產木蘭科新變種植物:蘭嶼烏心石 |
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作 者 | 呂勝由; 鐘詩文; 潘富俊; | 書刊名 | 臺灣林業科學 |
卷 期 | 15:4 2000.12[民89.12] |
頁 次 | 頁521-524 |
分類號 | 436.1 |
關鍵詞 | 木蘭科; 蘭嶼烏心石; 臺灣; 新變種; 蘭嶼; Lanyu; Magnoliaceae; Michelia compressa var. lanyuensis; Taiwan; Taxonomy; |
語 文 | 英文(English) |
中文摘要 | 本文發表臺灣特產之木蘭科新變種植物,蘭嶼烏心石(Michelia compressa var. lanyuensis)。蘭嶼烏心石零星散布在海平面到海拔500m的蘭嶼島上,它與烏心石(M. compressa var. compressa)相似,但前者的花被片全為白色,後者的花被片則為黃白色,且基部有紅斑。它也類似臺灣本島產的臺灣烏心石(M. compressa var. formosana),但前者的葉為厚革質到革質(後者革質到薄革質),葉先端為圓至驟凸(後者驟凸到漸尖),長/寬比通常在2倍左右(後者3-4倍左右),可茲區別。 |
英文摘要 | A new taxon of Michelia, M. compressa var. lanyuensis S. Y. Lu, endemic to Lanyu (Orchid Island) of Taiwan is described and illustrated. It is sporadic from sea level to 500 m elevation in broadleaf forests. It is similar to M. compressa var. compressa of Japan and the Ryukyus, but is distinguishable by perianth color (white vs. yellowish with a pink base). It is also similar to M. compressa var. formosana, but differs in leaf texture (thick-coriaceous to coriaceous vs. coriaceous to thin-coriaceous) and leaf shape (rounded to cuspidate vs. cuspidate to acuminate at apex, and ca. 2 times as long as broad vs. 3-4 times as long as broad). |
本系統中英文摘要資訊取自各篇刊載內容。