%0 Journal Article %T ANATOMICAL STUDIES ON PINNA E OF CYCAS MIQUELII AND C.FERRUGINEA
石山苏铁与锈毛苏铁羽片解剖学研究 %A TANG Yuan-jiang %A LIAO Jing-ping %A
唐源江 %A 廖景平 %J 热带亚热带植物学报 %D 2001 %I %X In orderto makesurewhetherCycas miquelii andC.ferruginea areof thesamespecies, the authorshaveobservedanatomicallythetwospecies.Theresultsshowthattheleafsurfaceof C.miquelii coveredwiththickcuticle.Wallof epidermalcellis thickand arrangedregularlyin one layer.Hypodermalsclerenchymacellsexistintheraisedmidribregionand pinnamargins.Mesophyllconsists of palisadeandspongytissues.Palisadetissueis composedof cylindricalcellsbeingregularlyarranged,beneathadaxialhypodermisandpresentabovethemidrib.Thecellsof spongytissuearedistributedat thetwosidesof theaccessorytransfusiontissue.Crystalcellsarefew.Thephloemlocateson abaxialside andisarrangedinarchshape,whilethexylemon adaxialside.Tracheidsarescattered.Cycas miquelii is obviouslydifferentfromC.ferruginea instructureintransversesection,suchastheshapesofpinnamargin,raisedmidribregionandhypodermalsclerenchymacells.Basedon suchdifferencesbetweenC.miquelii andC.ferruginea,theauthorsconsiderthattheyareseparatespecies. %K Cycas miquelii %K Cycas ferruginea %K Pinna %K Anatom
石山苏铁 %K 铁锈苏铁 %K 羽片 %K 解剖学 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=A74F042DF90151A4E3EF193E13FD5E1E&aid=93EFBF863CC210E8&yid=14E7EF987E4155E6&vid=9CF7A0430CBB2DFD&iid=38B194292C032A66&sid=EF27C460877D3C9F&eid=3D9746C06EC12B45&journal_id=1005-3395&journal_name=热带亚热带植物学报&referenced_num=6&reference_num=10