桂树,木犀科,常绿灌木或小乔木,又名金桂、岩桂、丹桂等。秋季开花,所谓“桂子飘香”就是说桂花在中秋前后绽放,香气浓郁。相传,月中有树名桂,故古诗中以桂代月的说法层出不穷,比如桂月、桂枝,月影叫桂影,月宫则叫桂窟、桂堂。又说月中有兔、蟾、嫦娥,所以又有桂兔、桂蟾、桂娥的说法。桂树花开金秋,所以农历八月又叫桂秋或者桂月,就连秋天的露水都叫桂露了。 Laurel, Oleaceae, evergreen shrubs or small trees, also known as Kim Gui, rock Gui, Dan Gui and so on. Autumn flowering, the so-called “Gui Zi fragrance” means that osmanthus blooms before and after the Mid-Autumn Festival, rich aroma. According to legend, the tree name Gui month, so the ancient poetry to Gui month on an endless stream, such as Gui month, cassia twig, moonshine called Gui Ying, the moon palace is called Gui Cave, Gui Tang. Also said that there are rabbits in the middle of the month, toads, Chang’e, so there are Gui Tuo, Gui toad, Gui E’s argument. Laurel flowers bloom, so the lunar August also known as Guiqiu or Gui month, even the autumn dew called Guilu.