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1、Thepseudobulbsandsubterraneanorgans（rootsandrhizomes）ofEulophiaepidendraea,andMalaxisacuminatainsubfamilyEpidendroideae（Orchidaceae）wereinvestigatedtodeterminemorphology,anatomyandmycorrhizaloccurrenee.（研究蘭科樹蘭亞科的Eulophiaepidendraea（黃花美冠蘭）和Malaxisacuminata（沼蘭屈淺裂沼蘭）的假鱗莖和地卜器官（根和
2、根莖）以確定其形態(tài),結(jié)構(gòu)和真菌菌根的發(fā)生）Theexaminedsectionsshowedthefollowingcommonanatomi-calcharacteristics.（被研究的切片顯示以下幾個相同的結(jié)構(gòu)特點(diǎn)）Thepseudobulbshadauniseriateepidermis.Theassimilatorycellswerescatteredintheformofmucilage/waterstoragecellsinthegroundtissue.（假鱗莖有單層表皮，同化細(xì)胞以粘液或蓄水細(xì)胞的形式分散在基本組織中）Thev
3、ascularbundleswerecollateralandembeddedinthegroundtissue.Raphidesoccurredasidioblasts.維管束并行嵌入到基本組織屮。針品體發(fā)生在異細(xì)胞屮。Rhizomeshadanuniseriateepidermis,parenchymatousgroundtissuedifferentiatedintoouterandinnerzoneswithpolygonalintercellularspaces.Vascularbundlesscattered,collateralan
4、ddiscontinuousforminboththetaxa.AerationcellswerepresentinrootsandrhizomesofM.Acuminata.根狀莖有單層表皮，薄壁基本組織分為含多邊形細(xì)胞間隙的內(nèi)區(qū)和外區(qū)。維管束以分散、并行和不連續(xù)形式存在于兩個類群小。通氣細(xì)胞存在于M.Acuminata（沼蘭屬淺裂沼蘭）?的根和根狀莖。ThetransversesectionofE.epidendraearootshadmulti-layeredvelamenwithspiralthickeningfollowedbyunis
5、eriateexodermiswiththathadwebbedtilosomes?Theparenchymatouscortexcontainedraphidesandwaterstoragecells.Vascularbundleswere11-15arched.RootsofM.acuminatahadanuniseriatevelamen,exodermis,parenchyma?touscortex,endodermisandpericycle.Thevascularbundleswereradiallyarranged,and11-1
6、2arched.Thexylemandphloemwereembeddedinsclerenchymatoustissue.E.epidendraea（黃花美冠蘭）根的橫切面有多層螺旋加厚的根被，其次是有webbedtilosomes.單層的外皮。薄壁皮質(zhì)包含針晶體和儲水細(xì)胞。維管束為11-15個拱形排列。M.Acuminata（沼蘭屬淺裂沼蘭）的根有單層膜，外皮層、薄壁皮層、內(nèi)皮層和屮柱鞘。維管束11-12個拱形呈放射狀排列。木質(zhì)部和韌皮部嵌入到厚壁組織。Theentryofthemycorrhizalfungiwaschieflythroug
7、hroothairsinrootsandepidermisinrhizomesofM.acuminata,andinE.epidendraea.FungiformedpelotonsinboththetaxaandmicrosclerotiaandmonilioidcellsintherootcortexofE.epidendraea?Additionally,Glomus?typevesicleswereoccasionallypresentintherootsofM.Acuminata?Descriptionofcharacteristics
8、arisingfromthisinvestigationmayprovideadditionalmorphologicalandanat
