托叶的
- 与 托叶的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Leaves alternate, petiolate; stipules caducous, intrapetiolar, connate, often broad, foliaceous; leaf blade 3-veined, margin dentate or lobed; cystoliths punctiform.
叶互生,具叶柄;托叶早落,叶柄内,合生,经常宽,叶状;3脉的叶片,浅裂的边缘具牙齿或;钟乳体点状。
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Leaves alternate, petiolate; stipules deciduous, intrapetiolar, incompletely connate, apex 2-cleft; leaf blade papery, pinnately veined or 3-veined, margin often coarsely dentate or serrate, rarely entire; cystoliths punctiform or botuliform.
叶互生,具叶柄;托叶脱落,叶柄内,不完全合生,顶2半裂;纸质的叶片,成羽状脉或3脉的,边缘通常粗牙齿或有锯齿,很少全缘;钟乳体点状或者香肠状。
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Any of numerous plants of the widely distributed genus Polygonum, characterized by stems with knotlike joints and conspicuous sheathlike stipules.
蓼属植物一种分布广泛的蓼属植物,特征是茎干上带有球状突节和明显的套状托叶
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The 28 species of Cycas debaoensis, Stangeria eriopus and Macrozamia moorei etc.in 3 families of Cycadopsida were carried out anatomical studies on vascular tissue, the roots ,stems and leaves of these materials were made histological section by paraffin method and freeze method ,light microscopy observation and the dissociated materials of every organ for light microscopy and scanning electron microscopy observation research.
本探究对苏铁纲3个科的德保苏铁、托叶铁、摩瑞大泽米等28个苏铁种类进行了维管组织的解剖学研究,其中对其根、茎、叶进行石蜡切片和冰冻切片观察研究;对各器官材料进行组织离析,光学显微镜和扫描电子显微镜观察研究。
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Basal leaves 2-6, long petiolate; stipules over 1/2 adnate to petioles, broadly lanceolate, membranous, margin sparsely denticulate and ciliate or entire, apex acuminate; petioles 3-9 cm at anthesis, usually green, sometimes purplish, glabrous, nitid, elongated at fruiting to more than 20 cm; leaf blade glabrous on both surfaces or pubescent along veins, 3-sect, segments shortly stipitate, lateral segments deeply 2-fid, central segment deeply 2- or 3-fid, terminal lobes highly variable in shape and size, ovate-lanceolate, lanceolate, oblong, or linear-lanceolate, margin irregularly dentate or shallowly divided, sometimes triparted to pinnatiparted or 3-lobed, apex obtuse or acute.
基生叶2-6,具长叶柄;托叶超过1/2的贴生至叶柄,宽披针形,膜,边缘疏生细齿和具缘毛或全缘,先端渐尖;叶柄3-9厘米在花期,通常绿色,有时略带紫色,无毛,有光泽的,在果期拉长到超过20厘米;叶片两面无毛沿脉具短柔毛,3全裂,裂片具短柄,侧裂片2深裂,中裂片2或3深裂,顶裂片形状和大小极易变,卵状披针形,披针形,长圆形,或线状披针形,边缘不规则牙齿或浅裂,有时3深裂到羽状深裂或3浅裂,先端钝或锐尖。
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Rhizome erect, yellow-brown, very long, to 12 cm, stout, 4-7 mm in diam., densely noded, with dense brown remains of stipules, often branched at apex, with numerous long, slender fibrous roots.
根状茎直立,黄棕色,长,达12厘米,坚固,直径4-7毫米,密生节,具紧密的棕色托叶残留,通常分枝在先端,具多数长,纤细的须根。
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After the selection from one to three generations, several mutants were obtained. The major mutants included non-nodule mutants (18 lines) which failed to nodulate after inoculated with rhizobia for two weeks, ineffective nodulation mutants (9 lines) which had less uneven and white or transparent nodules, an abnormal leaf and flower mutant which was dwarf without stipules, abnormal flowers and less nodules, and a slender mutant with a thin stem and smaller leaves.
从种植的三代植株中,筛选到多种共生固氮根瘤的突变体,其中不结根瘤突变体18个株系,表现为接种根瘤菌两周后无根瘤形成;结无效根瘤突变体9个株系,表现为根瘤数目少且分布不均匀,根瘤呈白色,有些为半透明;花叶形态异常突变体1个株系,表现为除根瘤数目少外,植株矮小、托叶消失、花形态异常;纤细突变体1个株系,表现为除根瘤数目少外,植株变小、茎细叶小。
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Leaves alternate, simple, pinnately veined, entire to irregularly serrate or lobed, rarely pinnatifid; stipules absent or rarely present.
叶互生,单叶,羽状脉,全缘、有不规则的有锯齿或者浅浅裂,很少羽状分裂;存在的无托叶或很少。
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Stipular spines erect, 4-17 mm, 2 per node; petiole 5-9 mm, pubescent; leaf blade broadly ovate or ovate-elliptic, 3-5.5(-7)× 2.2-5 cm, papery, abaxially yellowish to brownish pubescent on major veins, adaxially mostly glabrous, distinctly 3-veined from base, base broadly cuneate, cuneate, or subrounded, symmetric to slightly oblique, margin obtusely serrate or serrulate, rarely subentire, apex obtuse, rounded, or slightly retuse. Flowers in axillary cymes.
托叶刺竖立,4-17毫米,每节点2;叶柄5-9毫米,短柔毛;叶片宽卵形的或卵状椭圆形, 3-5.5(-7)* 2.2-5 厘米,纸质,背面淡黄到带褐色短柔毛在主脉上,正面多数无毛,清楚3脉的自基部,基部宽楔形,楔形,或近圆形,对称到稍偏斜,花生于腋生聚伞花序。
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Stigma ovoid-capitate, on short style; stipules persistent, reflexed at flowering; slender stoloniferous herb.
柱头卵球形头状,在短花柱上;托叶宿存,在花期反折;纤细的有匍匐茎的草本。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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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。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力