A sessile leaf has no petiole.
无柄的叶没有叶柄。
A sessile leaf has no petiole.
矮杂草，沿叶柄长有小穗。
A sessile leaf has no petiole.
某些植物上有细管的叶柄。
Of, relating to, or growing on a petiole.
叶柄的，与叶柄有关的，或长在叶柄上的。
Complete leaf composed of petiole, blade and stipule.
完全叶由叶柄、叶片和托叶组成。
Petiole (2 -) 4-11 cm, white maculate, densely villous.
叶柄(2-)4 - 11厘米，白色具斑点，密被长柔毛。
Scales attaching to the base of petiole are brown, lanceolate.
叶柄基部鳞片棕色，披针形。
Green or brown flexible petiole, variable internode length. large trailer.
绿色或咖啡色的柔软叶柄，节间距离易变。大的悬垂型。
The content of heavy metal elements in a leaf is higher than in a petiole.
蔬菜中重金属元素含量，叶片要显著超过叶柄。
Stipule A modified leaf found as an outgrowth from the petiole or leaf base.
由叶柄或叶基部生长出的变态的叶，为发育产生的外部结构。
The nitrate content of Chinese cabbage organ was: petiole (stem)> leaves> root.
小白菜器官中硝酸盐含量表现为：叶柄（茎）﹥叶片﹥根。
Thick, white and long petiole, dark green leaf, vigorous growth, heat tolerance.
高脚、叶色深绿，叶柄厚白，生长势旺，抗病性强。
Small and exquisite plant shape, dark green and winkless leaf, white petiole, good quality.
晚抽薹、株型小巧紧凑、叶色深绿、叶面皱缩、叶柄洁白、品质佳。
And Chlorogenic acid played an important part in resisting petiole spot of Chinese cabbage.
绿原酸的积累在大白菜抗小黑点病过程中具有极其重要的意义。
The petiole and the stem all posses assimilation, but con-tain very littls mechanical tissue.
叶柄、茎均具同化功能，但机械组织不发达。
Dark green and glossy leaf, thick and white petiole, good plant shape, heat tolerance, good quality.
叶色深绿、叶柄洁白且宽厚、外型美观、耐热、品质佳。
A typical foliage leaf of a plant belonging to the dicotyledons is composed of two principal parts: blade and petiole.
双子叶植物典型的营养叶由两个主要部分组成：叶片和叶柄。
There are 5~8 vascular bundles arranged in arch shape. Secretory cavities are present in the ground tissue of petiole.
叶柄的基本组织中具有裂生分泌腔，5~8束维管束呈弧形排列或散布在薄壁组织中；
There are some sclerenchymatous cells outside the phloem of each vascular bundle to increase the supporting force of the petiole.
每个维管束的韧皮部外面有数层厚壁细胞，增加叶柄的机械支持作用。
The haris originated from the epidermis cells of the stem axis, the petiole, the floral shoot and abaxial surface of the young leaves.
它们起源于叶片远轴面、叶柄的表皮细胞以及苗端茎轴、花柄的表皮细胞。
The percentage increase of blade NRA after cultivated by extra-source nitrate was positively related to the petiole nitrate-N concentration.
加入外源硝态氮培养后叶片硝酸还原酶活性的增加程度与叶柄硝态氮含量相一致。
Effects of NAA, 6-BA, MS culture medium on leaf and petiole callus induction of Changium smyrnioides Wolff were studied by orthogonal design.
采用正交设计方法，研究了NAA、6-BA、MS培养基对明党参叶片与叶柄愈伤组织诱导的影响。
Result and Conclusion: By stress time increasing, the content of MDA in lamina and petiole increased obviously, but it increased invisibly in tuber.
结果与结论：随着高温胁迫时间的延长，半夏叶片和叶柄中MDA含量显著增加，而块茎中MDA含量增加却不显著。
Such modification of local response of ramet petiole to shading due to physiological integration was not observed in the plants from the understory.
这种克隆整合对克隆形态可塑性的修饰作用只在林窗生境来源的实验植物中观察到。
The results showed: that the petiole nitrate concentration in two cotton genotypes was significantly positive correlated with rates of N applied and yields.
结果表明：两品种叶柄硝酸盐浓度与施氮量和产量均有显著的正相关关系。
The result of stepwise regression analysis show that the orders are leaf fresh weight, leaf area, petiole length, leaf dry weight, leaf width and leaf length.
方差分析表明，叶长、叶宽、单叶面积等形态指标差异在不同的产地多达显著或极显著水平。
In the petiole of Suringa reticulata (Blume) Hara var. mandshurica (Maxim. ) Hara, there are thick cuticle on the epidermis, developed phloem fiber surround the phloem.
暴马丁香叶柄表皮外覆有一层发达的角质层，韧皮部外有较发达的韧皮纤维。
The soybean variety under-sowing with maize ought to select that the leaf is middle size, lanceolate or elliptic, deep green colour, and the petiole is short and thick;
与玉米间作的大豆，宜选育叶片大小中等、披针形或短椭圆形、叶柄短而粗、叶色深绿的品种。
The soybean variety under-sowing with maize ought to select that the leaf is middle size, lanceolate or elliptic, deep green colour, and the petiole is short and thick;
与玉米间作的大豆，宜选育叶片大小中等、披针形或短椭圆形、叶柄短而粗、叶色深绿的品种。
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