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- It was suggested that the lakes were shallow and rich in aquatic vascular bundle plant s ,and some of them were swamping. 当时江汉平原湖泊湖水变浅 ,大量挺水植物生长 ,有些湖泊沼已经沼泽化了。
- aquatic vascular bundle plant 水生维管束植物
- Flora of wild vascular bundle plants in mountainous area of Beijing 北京山区野生维管束植物区系
- Illustrated treatment of aquatic vascular plants. 水生维管束植物图册。
- vascular bundle plant 维管束植物
- Vascular bundle plants 维管束植物
- Bundle sheath The ring of parenchymatous or sclerenchymatous tissue, usually one cell thick, that surrounds the vascular bundle in an angiosperm leaf. 维管束鞘:在被子植物叶中,围绕维管束的通常是一层薄壁或厚壁细胞。
- It shows one sheath around the vascular bundles. 它显示出在维管束周围的鞘状构造。
- Pneumatophore (aerophore;breathing root) A specialized negatively geotropic root produced by certain aquatic vascular plants(especially trees such as mangroves , e.g. 呼吸根:指由某种水生维管植物产生的特化的负向地性根(尤其如红树,如海桑属),在土壤之上生长良好。
- The characteristics of vascular bundle in the first internode and grain-filling of heavy panicle hybrid rice (HPHR) were studied. 摘要对重穗型杂交稻穗颈节间维管束特徵及其籽粒充实进行了研究。
- Pneumatophore (aerophore; breathing root) A specialized negatively geotropic root produced by certain aquatic vascular plants(especially trees such as mangroves , e.g. 呼吸根:指由某种水生维管植物产生的特化的负向地性根(尤其如红树,如海桑属),在土壤之上生长良好。
- The nectaries were composed of epidermis, nectariferous tissue and vascular bundle which only consisted of phome. 蜜腺由分泌表皮、产蜜组织和仅含韧皮部的维管束组成。
- The East Taihu Lake is of macrophyte-type with low production and low eutrophication where the organic material mainly came from the exuberant aquatic vascular plants. 东太湖有机质来源以东太湖中生长较为茂盛的维管水生植物为主,目前湖泊生产力较低,富营养化程度低,表现为典型的草型湖泊特征。
- Vascular bundle have not cambium layer, vessel, and spiral tracheid as well.Only sieve element. 维管束无形成层,无导管,也不具有螺纹管胞,只有筛分子。
- Ginkgo biloba leaf petiole, is actually composed of many vein from the collection of vascular bundle group. 银杏叶的叶柄,实际上是由许多叶脉集合而成的维管束群。
- Vascular bundle equal distributed in circumfuse of two cotyledons, formed a circule. 摘要莲子叶组织中的维管束均等的分布于两瓣子叶里,形成1周。
- The vascular bundle consists of vascular bundle sheath,xylem,phloem and big parenchymatous cells. 维管束由维管束鞘、木质部、韧皮部和大型薄壁细胞组成。
- Male-sterility mainly results from the abnormality of mesospore,tapetum tissue and vascular bundle. 中层组织、绒毡层组织及药隔维管束异常均是雄性败育的因素。
- It does not show sheaths around the vascular bundles. 它并没有显示出在维管束周围的鞘状构造。
- The large vascular bundle number of panicle neck internode was higher in Indica cultivars than in Japonica cultivars. 结果显示,参试品种穗颈节间大维管束数目,籼稻品种比稉稻品种多。