臺灣新歸化植物－擬紅花野牽牛（旋花科）

Ipomoea leucantha Jacq. (Convolvulaceae), a Newly Naturalized Plant in Taiwan

陳柏豪(Po-Hao Chen) ； 楊勝任(Sheng-Zehn Yang)

《國立臺灣博物館學刊》 70卷1期 (2017/03) Pp. 1-8

https://doi.org/10.6532/JNTM.2017.70(1).01

摘要

本文報導在臺灣低海拔農田或荒野地發現一新歸化植物：擬紅花野牽牛(旋花科)。擬紅花野牽牛與紅花野牽牛非常相似，前者萼片光滑，披針形，先端漸尖形或尾狀，長10－11 mm，後者萼片有毛，橢圓形至長橢圓形，先端銳形，長6－7 mm可做區別。本文提供擬紅花野牽牛的特徵描述與彩色照片供鑑定之用。

關鍵字

牽牛花屬 ； 紅花野牽牛 ； 歸化植物 ； 臺灣

並列摘要

The newly naturalized plant, Ipomoea leucantha Jacq. (Convolvulaceae) in low elevation of farmland and wilderness in Taiwan are reported here. The characteristics of I. leucantha can be differentiated from a similar species, I. triloba L. by the sepals that the former is glabrous, lanceolate, acuminate or caudate at apex, 10-11 mm long, and the latter is pilose, elliptic or oblong, acute at apex, 6-7 mm long. The morphological description and colorful pictures of these two species are provided to add the inventory of Taiwan and for species identification.

並列關鍵字

Ipomoea ； Ipomoea triloba L. ； naturalized plant ； Taiwan

參考文獻

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