TheherbaceousstemofEphedrasinicaStapf.(Fam.Ephedraceae).麻黃科植物草麻黃的干燥草質(zhì)莖。Sketchoftransversesectionofstem莖橫切面簡圖Transversesectionofstem(partial)莖橫切面組織圖(局部)Transversesectionofstem1.EpidermisCellscoveredwithcuticles,ridgesrelativelydense,withwaxyw (共 1700 字) [閱讀本文] >>