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sinchew
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吴咏駩|蜜不在花里
大部分植物的花会产蜜,可以吸引传粉者前来采食,顺便帮它们传播花粉。但是你知道吗,植物产蜜的部位并不局限在花里,有不少植物在花朵之外也产蜜,位置包括叶片的基部、叶柄、叶缘、叶脉,甚至在花萼和果实上。这些在花朵以外的产蜜位置,被称“花外蜜腺(extraf ...
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