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伞形科Apiaceae.doc

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伞形科Apiaceae.doc

上传人:xiarencrh 2020/8/7 文件大小:642 KB

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文档介绍:伞形科Apiaceae1-,butmoreoftentheyareimperfect,andtheplantsarethenmonoecious,dioecious,,thepetalsareoftencurved,the5stamenswithinaflowerunfoldatdifferenttimes,thestylebasesenlargetoformthestylopodiumthatsecretesnectar,-,,,-BiennialplantsManymembersoftheApiaceaeintemperateregionsareherbaceousplants—annuals,biennials,,likecarrots,thatproduceleavesandanundergroundrootthefirstyear,thenflower,setseed,anddieduringthesecondyear4-,-,aswellasthestems,,-monplantalongroadsidesinIllinoisisQueenAnne'sLace,,andthesearesecondyearplantsthatareproducingflowers7-,-FlowersThisisasimpleumbelinwildparsnip,,-DevelopingfruitsTheovaryisinferior,andthisphotoshowstheovariesdevelopingintofruitsinwildparsnip,-,-SpicesMa