资源描述：
《Myristicaceae(Flora of china)肉豆蔻科》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、MYRISTICACEAE肉豆蔻科roudoukoukeLiBingtao(李秉滔LiPing-tao)1;ThomasK.Wilson2Evergreentrees,withtawnyorredjuiceinbarkoraroundheartwood.Leavessimple,alternate,entire,exstipulate,withpinnateveins,oftenpellucidpunctate,spirallyordistichouslyarranged.Inflorescen
2、cesaxillary,paniculate,racemose,capitate,orcymose;flowersfascicled,invariousracemosearrangementsorclusters;bractscaducous;bracteolesinsertedonpedicelsoratbaseofperianth.Plantsmonoeciousordioecious.Flowerssmall,unisexual.Perianthgamophyllous;lobes(2or
3、)3–5,valvate.Stamens2–40(often16–18inChina);filamentsconnateintoacolumn(staminalcolumn)orpeltatedisk(staminaldisk),apexwithanthersconniventorconnateintodisciform,globose,orelongatesynandrium;anthers2-locular,extrorse,dehiscinglongitudinally,adnatetoc
4、olumnabaxially,orfree.Ovarysuperior,sessile,1-locular,anatropousovule1,insertednearbase;styleshortorlacking;stigma2-lobedorlobesconnateintoadisk,with2fissuresorwithlaceratemargin.Fruitwithpericarpleathery-fleshy,ornearwoody,dehis-centinto2valves.Seed
5、1,large,arillate;arilfleshy,entireorshallowlyordeeplylacerate;testaof3or4layers,outerlayercrustose,middlelayeroftenwoodyandratherthick,innerlayermembranous;endospermoftenwithvolatileoil,ruminateorwrinkled,con-tainingfat(mainly14Cfattyacid)andlittleam
6、ylum;embryonearbase.Pollenoftenwithslenderreticulatepattern.x=9,21,25.About20generaandca.500species:tropicalAsiatoPacificislands,alsoinAfricaandtropicalAmerica;threegeneraand11species(oneintroduced)inChina.LiYan-hui.1979.Myristicaceae.In:TsiangYing&L
7、iPing-t’ao,eds.,Fl.Reipubl.PopularisSin.30(2):176–205.1a.Pedicelwithoutbracteole;maleinflorescencescomplexpanicles;arilentireorshallowlylacerateatapex...............3.Horsfieldia1b.Pedicelwithbracteole;maleinflorescenceswithflowersarrangedindenserace
8、meorsubumbellate;arilentire,lacerateatapex,ordeeplylaciniatealmosttobase.2a.Inflorescencesunbranched(orbifurcate);filamentsconnateintoapeltatedisk,anthersshort;stigmasdiscoid,shallowlybifidormargindentateorlacerate;arilentireorlacerateatapex.........
