睡蓮苗 (35)

　　睡蓮（學名(ming)：NymphaeaL.），多(duo)(duo)年生(sheng)(sheng)(sheng)水(shui)生(sheng)(sheng)(sheng)草(cao)本；根狀(zhuang)(zhuang)(zhuang)莖肥厚(hou)。葉(xie)(xie)(xie)(xie)柄圓(yuan)柱(zhu)(zhu)形(xing)(xing)(xing)，細長(chang)。葉(xie)(xie)(xie)(xie)橢(tuo)圓(yuan)形(xing)(xing)(xing)，浮生(sheng)(sheng)(sheng)于水(shui)面(mian)(mian)，全緣(yuan)，葉(xie)(xie)(xie)(xie)基心形(xing)(xing)(xing)，葉(xie)(xie)(xie)(xie)表面(mian)(mian)濃綠，背面(mian)(mian)暗(an)紫。葉(xie)(xie)(xie)(xie)二型：浮水(shui)葉(xie)(xie)(xie)(xie)圓(yuan)形(xing)(xing)(xing)或卵(luan)形(xing)(xing)(xing)，基部(bu)(bu)(bu)(bu)具(ju)彎缺，心形(xing)(xing)(xing)或箭形(xing)(xing)(xing)，常無出(chu)(chu)(chu)水(shui)葉(xie)(xie)(xie)(xie)；沉(chen)水(shui)葉(xie)(xie)(xie)(xie)薄膜質，脆(cui)弱。花(hua)(hua)(hua)單(dan)生(sheng)(sheng)(sheng)，浮于或挺出(chu)(chu)(chu)水(shui)面(mian)(mian)；花(hua)(hua)(hua)萼四(si)枚，綠色(se)(se)；花(hua)(hua)(hua)瓣(ban)通常八片(pian)。果實倒(dao)卵(luan)形(xing)(xing)(xing)，長(chang)約3厘米。花(hua)(hua)(hua)大形(xing)(xing)(xing)、美麗，浮在(zai)(zai)(zai)或高(gao)出(chu)(chu)(chu)水(shui)面(mian)(mian)，白天開花(hua)(hua)(hua)夜間閉合；萼片(pian)近離生(sheng)(sheng)(sheng)；花(hua)(hua)(hua)瓣(ban)白色(se)(se)、藍色(se)(se)、黃色(se)(se)或粉(fen)紅(hong)色(se)(se)，成(cheng)(cheng)多(duo)(duo)輪，有時內(nei)輪漸變成(cheng)(cheng)雄蕊；藥隔有或無附屬(shu)物(wu)；心皮環狀(zhuang)(zhuang)(zhuang)，貼生(sheng)(sheng)(sheng)且半沉(chen)沒在(zai)(zai)(zai)肉質杯狀(zhuang)(zhuang)(zhuang)花(hua)(hua)(hua)托，且在(zai)(zai)(zai)下部(bu)(bu)(bu)(bu)與其部(bu)(bu)(bu)(bu)分地愈合，上部(bu)(bu)(bu)(bu)延伸成(cheng)(cheng)花(hua)(hua)(hua)柱(zhu)(zhu)，柱(zhu)(zhu)頭成(cheng)(cheng)凹入柱(zhu)(zhu)頭盤，胚(pei)珠倒(dao)生(sheng)(sheng)(sheng)，垂(chui)生(sheng)(sheng)(sheng)在(zai)(zai)(zai)子房(fang)內(nei)壁(bi)。漿果海綿質，不規則(ze)開裂，在(zai)(zai)(zai)水(shui)面(mian)(mian)下成(cheng)(cheng)熟；種(zhong)子堅硬，為膠質物(wu)包(bao)裹，有肉質杯狀(zhuang)(zhuang)(zhuang)假(jia)種(zhong)皮，胚(pei)小(xiao)，有少量內(nei)胚(pei)乳及豐富外胚(pei)乳。