又增廣見聞了！年逾七旬認識了鳶尾花屬的黄扇鳶尾，它可是會走路的胎生植物呢！
這幾天在賞花之際，發現有一種黄色花朵正在盛開，查了資料才知道原來它叫黃扇鳶尾。
根據維基百科描述，黃扇鳶尾花鞘內黃花開完後會長出小苗，這種現象在植物學稱為「胎生現象」！
隨著小苗長大，黃扇鳶尾的花莖會下垂至地面，小苗便能著地發根成為新植株，這也是英文俗名Yellow Walking Iris（會走路的鳶尾）的由來，又長了一智。（本文作者∕資深媒體人：温富振）
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