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台灣菊科的新紀錄植物-山蟛蜞菊

"Wollastonia Montana" (Blume) DC. (Asteraceae), a Newly Recorded Plant in Taiwan

摘要


孿花菊屬(Wollastonia)為菊科(Compositae)的一個小屬,全球約有二種,台灣植物誌僅記錄雙花蟛蜞菊(Wollastonia biflora (L.) DC.; syn. Wedelia biflora (L.) DC.)一種,作者最近在台灣南部植物調查時發現本屬另一新紀錄植物-山蟛蜞菊("Wollastonia montana" (Blume) DC.)。該植物之莖直立或倒伏,葉較小(3-9×1-4 cm),頭花亦較小(徑約15 mm),多單生偶2-3聚生,可明顯與雙花蟛蜞菊區別。本文提供該種的形態描述、線畫圖與彩色圖片,以供參考。

關鍵字

菊科 新紀錄 台灣 分類 孿花菊屬 山蟛蜞菊

並列摘要


"Wollastonia", comprising approximately two species in the world, is a small genus of the family Asteraceae. One species was recorded in the 2^(nd) edition of "Flora of Taiwan". In the course of our botanical inventory, "Wollastonia montana" (Blume) DC., heretofore unknown in Taiwan, was collected from the southern part of the Island. "Wollastonia Montana" can be easily distinguished from other congeners, as its capitula is always solitary (rarely 2-3), ca. 15 mm in diam.; stems erect and leaf smaller (3-9×1-4 cm). In this report we provide a description and colored photographs taken from the wild to aid identification.

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