唇瓣(拉丁語:labellum)是蘭科、美人蕉科、白玉簪科、姜科植物花朵的一個結構,用於吸引昆蟲前來授粉,而且也為昆蟲構建了一個着陸的平台。
唇瓣是變形的花瓣,與其他的花瓣和萼片相比明顯更大,而且形狀通常不規則。一般來說,另外兩片花瓣外形也與萼片相似,因此唇瓣非常引人注目。[1] [2]
各種不同形態的唇瓣
參考文獻
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