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Supplements to the Genus Microstegium Nees (Poaceae: Andropogoneae) of Taiwan

台灣產莠竹屬禾草補註

摘要


台灣產禾本科莠竹屬植物已確認的有剛莠竹、法利莠竹、膝曲莠竹及柔枝莠竹4種,本文增補2種,大莠竹及纖細莠竹。大莠竹是先前發表的Microstegium okamotoi的正確鑑定,纖細莠竹則是新紀錄種。本文並提供全屬6個種類之檢索表及增補的2個種類的手繪圖。

關鍵字

大莠竹 纖細莠竹 蜀黍族 禾本科 台灣

並列摘要


For the genus Microstegium Nees (Poaceae: Andropogoneae) of Taiwan, four known species have been verified. They are Microstegium ciliatum (Trin.) A. Camus, Microstegium fauriei (Hayata) Honda, Microstegium geniculatum (Hayata) Honda and Microstegium vimineum (Trin.) A. Camus. This paper described additional two species, Microstegium spectabile (Trin.) A. Camus and Microstegium tenue (Trin.) Hosok, as the supplements to the Microstegium flora of Taiwan. M. spectabile is a replacement of misidentified endemic species M. okamotoi Honda, while M. tenue is a new record. Also, a key to the six valid species of the genus Microstegium of Taiwan and line drawings of the two supplementary species are provided for identification.

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