牽牛花為什麼會在早晨開？

清晨
，陽光不強烈
，牽牛花體ti內nei的de水shui分fen充chong足zu
，鮮xian豔yan的de牽qian牛niu花hua就jiu綻zhan放fang了le。可ke是shi，它ta的de花hua冠guan大da而er薄bo，在zai受shou到dao陽yang光guang照zhao射she時shi，水shui分fen蒸zheng發fa得de快kuai
，根gen又you來lai不bu及ji吸xi收shou水shui分fen，所suo以yi常chang常chang在zai中zhong午wu以yi後hou就jiu閉bi合he了le。

 

牽牛花shixuanhuakezhiwu

，yinqizishiruyaodeqianniuzierdeming，yibanweilanse
，qieyigeyeyedeyizhihuabingshanghuiyousiwugehuaduo，huaxieleyihoudeguoshishixiangxiachuide
，zhezhongjiaoqianniuhua，jiechudezijiaoqianniuzi
，keyiruyaode。

 

jiangsuchangzhihongyuanlinshizhuanyedelvhuamiaomuzhongzhijidi
，changnianchushouqianniuhua
，haiyoudibeicaohua，lvhuaqiulei，libamiao，huaguanmu，qiaomudenggeleilvhuapinzhong
，guigeqiquan
，shuliangchongzu

，shuxingyoumei
，cunhuolvgao，zhiliangyou。benmiaomuhuahuichanpinshiyingxingqiang，yichenghuo
，chenghuolvjigao，erqie
，benpumiaomuyuanxiaoquanguogeshengshidiqu。zaichangzhihongyuanlinyoudaliangdeqianniuhuaxianhuo，youxuyaogoumaiqianniuhuaheqitalvhuamiaomudepengyoukeyilianxibenjidi：--