带有光亮叶柄的一种北美蕨类。
叶柄的，与叶柄有关的，或长在叶柄上的。
叶柄薄壁细胞存在晶体，叶柄的导管管径比较大，有大量的通气组织。
The crystals exist in parenchyma cells of its petioles. Its petioles have big vessels and much aerenchyma.
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。
There are some sclerenchymatous cells outside the phloem of each vascular bundle to increase the supporting force of the petiole.
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 haris originated from the epidermis cells of the stem axis, the petiole, the floral shoot and abaxial surface of the young leaves.
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 5~8 vascular bundles arranged in arch shape. Secretory cavities are present in the ground tissue of petiole.
结果表明：TDZ对赤霞珠离体叶片、叶柄不定芽再生有诱导作用，对叶片、叶柄的最高诱导率分别为18.06%和28.57%；
The result indicated that TDZ had effect on the adventitious buds induction of "Carbernet Sauvignon". Adventitious bud regenerating rate from leaf and petiole is 18.06% and 28.57%, respectively.
芹菜为伞形科芹菜属中形成肥嫩叶柄的草本植物，其味辛、甘，性凉，营养丰富，含有蛋白质、各种维生素和矿物质及人体不可缺少的膳食纤维。
Celery for the celery is formed Apiaceae herbs Feinen petiole, its spicy, sweet, cool, nutritious, containing protein, various vitamins and essential minerals and dietary fiber body.
卷完所有叶子或者达到你想要的尺寸后，紧紧捏住叶柄，并用园艺胶布把它们绕起来。
When you have added all your leaves or reached the desired size, pinch the leaf stems tightly and begin to wrap with florist tape.
乔木或灌木叶具叶柄，全缘的或有锯齿在边缘。
Trees or shrubs. Leaves petiolate, entire or serrate at margin.
叶无柄或具短叶柄，对5毫米的叶柄；不青春期的花被筒在里面。
Leaves sessile or shortly petiolate, petiole to 5 mm; perianth tube not pubescent inside.
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。
Stipule A modified leaf found as an outgrowth from the petiole or leaf base.
叶互生，具叶柄，薄革质或纸质，上半部边缘具牙齿，很少全缘，侧脉2或3对，低的离基三出脉。
Leaves alternate, petiolate, thinly leathery or papery, margin dentate in apical half , rarely entire, lateral veins 2 or 3 pairs, lowest triplinerved.
植株各部位非水溶性氮含量占全氮的比例，叶片在90%以上，高于茎和叶柄，随生育时期变动很小。
The NWSN /total nitrogen ratio was bigger than 90 % in trifoliolates, higher than that in stems and that in petioles, but they changed hardly with growing stages.
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。
Result and Conclusion: By stress time increasing, the content of MDA in lamina and petiole increased obviously, but it increased invisibly in tuber.
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。
A typical foliage leaf of a plant belonging to the dicotyledons is composed of two principal parts: blade and petiole.
以安祖花的叶片、叶柄、带腋芽茎段为外植体进行组织培养，对其快速繁殖进行了研究。
To establish the technical system of rapid propagation, the young leaves, petioles, and stems with buds of Anthurium andraeanum were cultured.
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。
Effects of NAA, 6-BA, MS culture medium on leaf and petiole callus induction of Changium smyrnioides Wolff were studied by orthogonal design.
在测定的30份大田病株茎杆、叶柄、叶脉样品中，阳性样品率为100%。
The rate of positive samples was 100% by the ELISA among 30 stems, petioles and veins from naturally diseased cottons.
“红宝石无核”的叶柄不定芽再生率远远低于其叶片。
Rate of bud regeneration of'Ruby Seedless'was greater from leaves than petioles.
在茎和叶柄上，粘液毛发生于某些特化的小型表皮细胞上，花柄表皮上有无特化的细胞，尚未确定。
In stems and petioles, slime hairs were found on certain specialized smaller epidermal cells only, which are uncertain on pedicels.
绿色或咖啡色的柔软叶柄，节间距离易变。大的悬垂型。
Green or brown flexible petiole, variable internode length. large trailer.
对具绵状毛的至少沿脉被微柔毛的叶片和叶柄；花药球状的或肾形。
Leaf blade and petioles puberulent to woolly at least along veins; anthers globose or reniform.
无柄的叶没有叶柄。
叶片占植株地上部鲜质量的比例高于叶柄。
Leaf blade had more proportion than petiole in fresh weight.
某些植物上有细管的叶柄。
一年生长枝叶片的叶宽、叶长、叶面积、叶柄长、叶基角均随叶序的增加逐渐减小，叶形指数和有缺刻叶的比例则增加。
In long shoot, the leaf width, leaf length, leaf area, petiole length and basal Angle decreased, but the leaf index and the ratio of lobation increased as its arrangement increased.
赤霉酸（GA_3）处理菜豆叶柄和棉苗子叶柄外植体，离区的纤维素酶活力增加，而吲哚乙酸（IAA）则抑制离区纤维索酶的活力。
The paper studied effects of GA_3 and IAA on cellulase activity in abscission zone from petiole of primary leaves of bean, cotyledon petioles and boll petioles of cotton.
赤霉酸（GA_3）处理菜豆叶柄和棉苗子叶柄外植体，离区的纤维素酶活力增加，而吲哚乙酸（IAA）则抑制离区纤维索酶的活力。
The paper studied effects of GA_3 and IAA on cellulase activity in abscission zone from petiole of primary leaves of bean, cotyledon petioles and boll petioles of cotton.
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