什么花是紫色的，芳香的，长在树上？

广玉兰/我？ct=503316480。z = 0 & amptn = baiduimagedetail & ampword = % D7 % CF % D3 % f 1% C0 % BC & amp；in = 8571 & amp；cl = 2 & ampcm=1。sc = 0 & amplm=-1。pn=1。rn=1。di=2892474256。ln=1846

毛泡桐/i？ct=503316480。z = 0 & amptn = baiduimagedetail & ampword = % C3 % AB % C5 % DD % CD % A9 & amp；in=13417。cl = 2 & ampcm=1。sc = 0 & amplm=-1。pn = 13 & amp；rn=1。di=1961760332。ln=55

紫藤/我？ct=503316480。z = 0 & amptn = baiduimagedetail & ampword = % D7 % CF % CC % D9 & ampin = 25919 & amp；cl = 2 & ampcm=1。sc = 0 & amplm=-1。pn=2。rn=1。di=1442935016。ln=2000

桂花/我？ct=503316480。z = 2 & amptn = baiduimagedetail & ampword = % D7 % CF % DE % b 1% BB % A8 & amp；in = 29044 & ampcl = 2 & ampcm=1。sc = 0 & amplm=-1。pn=5。rn=1。di=2633419260。ln=612