生叶

In order to remove different concentrations of suspended sediment, a serial connected system of emerging plants, floatingleaved plants and submerged plants based on spatial distribution of natural water body was constructed by aquatic marcrophytes, such as Cyperus alternifolius, Acorus tatarinowii, Trapa japonica, Ceratophyllum demersum, Hydrilla verticillata and Vallisneria spiralis. Sandy water then flew through emerging plants, floatingleaved plants and submerged plants.

根据自然水体湿生植物、浮叶植物以及沉水植物的空间分布规律，利用风车草、石菖蒲、菱、金鱼藻、轮叶黑藻和苦草等水生植物构建由挺水植物、浮叶植物到沉水植物的串联系统，含沙水依次流经挺水植物、浮叶植物和沉水植物，测定各级植物对泥沙的去除效果。

The leaf in the Karst area was isolateral and had closely arranged mesophyllous cells.

在显微结构方面：岩溶区生长的扇叶铁线蕨的叶片具有旱生植物叶片特点，即叶片为等面叶，叶肉细胞排列较为紧密以及叶片维管组织发达等：而非岩溶区生长的扇叶铁线蕨的叶片为异面叶，特点为叶肉细胞排列相对疏松，维管组织不发达。

The results of observation on the microstructure of Karelinia caspica, Tamarix stromongolica, Salsola collina. Cheno Dodium glaucum, stipa bangenana show that the nutritional organs of these halophytes present some adaptability structures as follows:(1) sunken stomas, thick cuticle and orderly arrangement of epidermal cell;(2) equilateral leaves with developed palisade tissue, or squama-shaped leaf;(3) well-developed water-storing tissue in stems and leaves;(4) crystal cells, salt glands in most of the leaves and assimilating branches.

通过对花花柴、甘蒙怪柳、猪毛菜、灰绿藜、长芒草五种盐生植物显微结构观察，这五种盐生植物营养器官的形态结构均呈现一定的适应性特征：(1)气孔器下陷，角质层加厚，表皮细胞排列紧密而整齐；(2)多为等面叶，叶片栅栏组织发达，或退化为鳞片状，而具同化枝；(3)茎、叶多为肉质化，贮水组织发达；(4)具有含晶细胞，枝叶具盐腺。

Shrubs, erect, rarely treelike, deciduous; new leafy shoots from axils of leaves of past season; young shoots sometimes verticillate, not scaly, setose, pubescent or glabrous.

灌木，直立，很少乔木状，落叶；新叶状枝生自以前季节的叶的腋的；有时轮生的幼枝，无鳞片，具刚毛，被短柔毛或无毛。

Inflorescences axillary, subtended by a leaf or inserted at leaf scars

花序腋生，以一在叶痕着生的叶或被包着 4

Flowers small, with prophylls, in panicles, corymbs, or rarely spikes, often leaf-opposite, pseudo-terminal, or axillary, actinomorphic, hypogynous, 4- or 5(-7 as in Rhoicissus )-merous.

花小，先出叶，组成圆锥花序，伞房花序，或者很少穗状花序，通常与叶对生，假顶生，花萼有4或者5(-7)个小齿或分裂或形成连续的环。

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Glomerules all axillary on normal leaf branches; male flowers 4-merous; leaves alternate.

在正常的叶树枝上全部腋生的团伞花序；雄花4瓣；叶互生 1 B 。

Leaves simple, alternate, ovate, margin entire, whitish below, 3 main veins, fragrant when crushed; inflorescence panicle, axillary, yellowish-green; berry black when ripe, ca.

单叶互生，卵形，全缘，叶背灰白色，三出脉，揉之有香气；圆锥花序腋生，花黄绿色；浆果成熟黑色，径约

The short-day effect is recepted by theleaves of M.charantia seedling.The first pair of shield-shaped opposite leavesof balsam pear seedling are slow to short-day effect.while the third and forthpalm-shaped alternate leaves are most sensitive to the photoperiod.

苦瓜幼苗中对短日反应的感受部位是叶片，它的第一对盾形对生真叶对短日的反应比较迟钝，而第三、四片掌状的互生真叶对短日最为敏感。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。