TheherbaceousstemofEphedrasinicaStapf.(Fam.Ephedraceae).麻黄科植物草麻黄的干燥草质茎。Sketchoftransversesectionofstem茎横切面简图Transversesectionofstem(partial)茎横切面组织图(局部)Transversesectionofstem1.EpidermisCellscoveredwithcuticles,ridgesrelativelydense,withwaxyw (共 1700 字) [阅读本文] >>