basically YES, the tail is the nectar tube,
there is a drop of nectar at the end of the tube aerangis is pollinated by a specific moth the moth uses its mouthpart to suck the nectar, at the same time pollinates the flowers this phenomenon actually leads to a great evolutionary discovery
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2004/10/08 09:13pm 
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Avery叔叔, 是否風蘭的花花都是有"尾巴"的 
我來幫小多多回覆一下,意思就是說