Sida rhombifolia L. var. Maderensis (Lowe) Lowe (Malvaceae), A New Recorded Plant in Taiwanum

台灣新紀錄錦葵科植物─單芒金午時花

Sida rhombifolia L. var. maderensis (Lowe) Lowe, a species of Malvaceae can frequently be found from seashore to 1,000 m altitude in Taiwan, but has been often misidentified and attributed to S. rhombifolia L. var. rhombifolia Though they are alike in outward appearance, S. rhombifolia L. var. maderensis (Lowe) Lowe can easily be distinguished by the number of carpels and characteristic of mericarps. And it is here of proposed and described as a new recorded variety in Taiwan. 本篇報告台灣一新紀錄錦葵科植物單芒金午時花（Sida rhombifolia L. var. maderensis(Lowe) Lowe），本種常見於台灣全島中、低海拔的山麓地區，因其形態特徵與菱葉金午時花（S. rhombifolia L. var. rhombifolia）極為相似，經常被混淆。但兩分類群可藉由心皮數目及分果片的形態加以區分，前者每一朵花具10-12枚心皮且每一分果片僅具一芒刺而後者每一朵花具8-10枚心皮且每一分果片具二芒刺。

本篇報告台灣一新紀錄錦葵科植物單芒金午時花（Sida rhombifolia L. var. maderensis(Lowe) Lowe），本種常見於台灣全島中、低海拔的山麓地區，因其形態特徵與菱葉金午時花（S. rhombifolia L. var. rhombifolia）極為相似，經常被混淆。但兩分類群可藉由心皮數目及分果片的形態加以區分，前者每一朵花具10-12枚心皮且每一分果片僅具一芒刺而後者每一朵花具8-10枚心皮且每一分果片具二芒刺。