Plants can be divided into two categories : monocotyledon and dicotyledonous .
植物可分为单子叶或双子叶类别。
Other leaf samples were collected from monocotylous and dicotyledonous plants , respectively to test this procedure . A series of pcr reactions were tested , which proved this method was widely acceptable .
Plant ( usually dicotyledonous plant ) which has large amount of xylem tissues and have strong , thick , lignified stem which is covered with a layer of cork .
含大量木质组织的植物(大多属双子叶植物),具强壮,厚且坚韧的木质化茎部,茎被木栓层包裹。
The minor veins join with other minor veins , forming a conspicuous network . The reticulate pattern of minor veins is characteristic of most dicotyledonous plants .
细脉和其它的细脉联合形成一个连续的网络。细脉的网状式样是双子叶植物的主要特征。
An order of dicotyledonous plants including moraceae and urticaceae and ulmaceae .
双子叶植物的一个目,包含桑科、荨麻科和榆科。
A dicotyledonous family of marsh plants of order gentianales .
龙胆属沼泽植物中双子叶植物科。
Combined surveying stoma types of dicotyledonous plants survey of bacteria pollution in the air , investigating learning ways and routes were explored in biological scientific movements .