对生叶
- 与 对生叶 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Basal leaves decussate, middle stem leaves opposite, distal stem leaves alternate; inflorescence paniculiform with cymose branches
交互对生的基生叶,中间茎生叶对生,互生的上部茎生叶;花序圆锥花序状的具聚伞状的分枝 1b var。
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Leaves simple, commonly opposite and decussate with one of a pair slightly smaller than other, rarely verticillate or alternate by abortion of one of a pair, usually 1-4(or 5) secondary veins on each side of midvein, originating at or near base and anastomosing apically, tertiary veins numerous, parallel, and connecting secondary veins and midvein but in Memecylon secondary veins pinnate and tertiary veins reticulate.
托叶无。单叶,通常对生和交互对生的具其中一片较小的叶,很少轮生的或由于一对中一枚败育而互生,通常次脉在中脉两边各1-4(或5),发生在基部或近基部,在顶部网结,支脉多数,平等,与次脉和中脉相连但在 Memecylon中,次脉羽状和支脉网状。
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Leaves simple, usually alternate, rarely opposite or verticillate, sometimes crowded at apices of branches; stipules usually small and caducous, sometimes larger, leaflike and persistent, rarely absent; petiole generally present, sometimes with apex 2-glandular and/or with additional glands along petiole length; leaf blade usually pinnate-veined, sometimes 3-5-veined from base or palmate-veined, with or without pellucid dots or lines, sometimes with a pair of glands at junction of blade and petiole, margin entire or toothed, teeth glandular or not. Inflorescences axillary, terminal, or cauliflorous, of various forms: racemose, spicate, cymose, corymbose, or paniculate, sometimes flowers fasciculate, or solitary; pedicels often articulate; bracts and bracteoles usually small to minute.
单叶,通常互生,很少对生或轮生,有时在枝端簇生;托叶通常小并且早落,有时大,叶状并且宿存,很少无;叶柄通常存在,有时先端有2个腺体,或沿着叶柄有腺体;叶片通常羽状脉,有时基部3-5出脉或掌状脉,有或无透明小圆点或线,花序腋生,顶生,或者茎生,或多种形式:总状,穗状,聚伞状,伞房状,或者圆锥状,有时花束状,或者单生;花梗通常有节;苞片和小苞片通常小到微小。
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Leaves opposite, subopposite, whorled, spiraled, or alternate, usually petiolate, estipulate; petiole sometimes persistent and thornlike; leaf blade simple, margin entire or subentire, sometimes toothed, glands often present between crenations of proximal margin and at base or on petiole.
叶对生,近对生,轮生,螺旋状排列,或者互生,通常具叶柄,无托叶;叶柄有时宿存并刺状;单叶,边缘全缘或者近全缘,有时具齿,通常在近端部和基部的圆锯齿之间或叶柄上有腺体。
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Based upon the ecoanatomical method, leaf anatomical characters of eleven populations of six evergreen species (Cyclobalanopsis glauca, C. myrsinaefolia, C. gracilis, Castanopsis sclerophylla, C. eyrei and Lithocarpus glaber) from the eastern subtropical area of China were analyzed and compared with SPSS, DCA and TWINSPAN. The results are: 1. Although the leaf structures of the eleven populations still belong to the mesophyll type, they all express the trend of xerophilization. 2. There are some differences in leaf anatomical characters among populations, species and genera, which occur as the results of their adaptation to different habitats. 3. Different leaf anatomical characters have different variations among populations, species and genera, of which leaf thickness and palisade tissue thickness (considered as ecological adaptation characters) have greater variation than sponge tissue thickness, lower cuticle thickness and lower epidermis thickness (as systematical evolution characters). 4. The leaves of C. sclerophylla and C. glauca with thicker lamina, palisade tissue and cuticle (a multilayered upper epidermis in C. sclerophylla) are thought to better adapt to their dry habitat. The leaves of C. eyrei with thicker sponge tissue, although characterized by a multlayered upper epidermis, adapt to their humid and warm habitat. The leaves of C. myrsinaefolia and C. gracilis characterized by a thinner lamina, a less palisade tissue and a moderate cuticle thickness adapt to the humid and cool habitat in a middle mountain.
选取亚热带东部替代分布明显的壳斗科6种常绿树种(青冈、小叶青冈、细叶青冈、苦槠、甜槠和石栎)的11个种群叶片进行生态解剖,并用SPSS, DCA和TWINSPAN比较分析,结果表明:①尽管6种11个种群叶的结构仍属中生叶型,但有着不同程度的趋旱适应;②叶的解剖性状在属间、种间和种群间均存在着不同程度的差异,这是它们适应各自生境的结果,青冈和石栎的种内差异较大,反映出它们对环境变化有较强响应能力;③叶片的不同解剖性状在属、种类和种群间的变化并不同步,其中叶片和栅栏组织厚度等性状差异突出,反映它们更易受环境的饰变,是生态适应性状,而海绵组织、下角质膜,特别是下表皮厚度等性状差异较小,显示出这些性状的稳定性,可以认为是系统演化性状;④苦槠、青冈具有较厚的叶片、栅栏组织、角质膜和发达输导和机械组织,苦槠还具有复表皮,表现出对旱化生境的适应;甜槠尽管具有复表皮和较厚的叶片,但这是海绵组织增厚的结果,是对中生生境的适应;小叶青冈和细叶青冈具有较薄的叶片和栅栏组织、角质膜厚度居中等特点,可能是对中山凉湿生境的适应。
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Any of various aromatic, ornamental, annual or perennial plants of the genus Nepeta, having opposite leaves and variously colored flowers with two-lipped corollas.
猫薄荷一种芳香、可供观赏的荆芥属一年生或多年生植物,有对生叶和两层花冠的各色花朵
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Unifoliate opposite, rich change is simple, xiecheng grows elliptic or long ellipse to wrap around needle form, acute of account of end of end of blade is pointed, the leaf carries dot having gland on the back, xie Changyao 4 to 4.5 centimeter, xie Kuan is made an appointment with 1.2 to 1.5 centimeter; Get together unripe or 繖 inflorescence armpit is very unripe, grey is lubricious, petaline 3 reach 4, the brim has fluff, stamen is most; Berry is shown globose, mature moment can turn by green for black.
单叶对生。富革质,叶呈长椭圆形或长椭圆披针形,叶端尾状锐尖,叶背有腺点,叶长约4至4.5公分,叶宽约1.2至1.5公分;聚繖花序腋生或顶生,花白色,花瓣3至4枚,边缘具有茸毛,雄蕊多数;浆果呈球形,成熟时候会由绿色转为黑色。
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Leaves alternate; stipules lanceolate, 4-8 mm; petiole 2-11(-13) cm, pubescent or glabrous; leaf blade ovate, elliptic, oblong or subelliptic,(5-)9-21 × 2.5-10 cm, papery, slightly rough, secondary veins 3 or 4 pairs along midvein, abaxial surface strigillose or pubescent on veins, rarely glabrous, adaxial surface sparsely appressed strigillose or glabrous, base broadly cuneate, rounded, or obtuse, margin denticulate, apex acuminate or caudate-acuminate. Glomerules usually unisexual, sometimes bisexual, in the axils of current and fallen leaves along normal leafy stems, 4-10 mm in diam.; male ones on proximal part of flower-bearing branches; female ones on distal part.
叶互生 托叶披针形,4-8毫米;叶柄2-11(-13)厘米,被短柔毛或无毛;叶片卵形,椭圆形,长方形或,( 5-)9-21 * 2.5-10 厘米,纸质,粗糙的稍,次脉3或4 对沿中脉,背面具短糙伏毛的或短柔毛在脉上,很少无毛,正面疏生贴伏具短糙伏毛的或无毛,通常单性的团伞花序,有时两性,在正常生叶的茎的叶和脱落叶的腋内,直径4-10毫米;在忍受花的分枝的下部上的雄性的;在上部上的雌性的。
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Soft branch yellow cicada is oleander division constant green half erect bush, xie Chang is elliptic, long 8-11 centimeter, wide 2-4.5 centimeter, opposite or 3-5 impeller are unripe, bud evil on Xie Duo is verticillate, xie Quanyuan, spend yellow, canister shape 5 crack, interior has amaranth streak, racemose move is born in the coping of new tip, florescence 6 one in October.
软枝黄蝉为夹竹桃科常绿半竖立灌木,叶长椭圆形,长8-11厘米,宽2-4.5厘米,对生或3-5叶轮生,萌孽条上叶多为轮生,叶全缘,花黄色,筒状五裂,内部有紫红色条纹,总状花序着生在新梢的顶部,花期6一10月。
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Any of numerous plants of the genus Penstemon, native to North America and eastern Asia, having opposite leaves, flowers with a usually two-lipped, variously colored corolla, and capsules containing many seeds.
钓钟''。'柳'。''属一种源于北美和东亚的长有对生叶和双唇形''。'花'。''及多色花冠和子荚孢的钓钟''。'柳'。''属植物
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。