查询词典 petiole

Basal leaves often withering early; petiole 1.2--1.5 cm. Stem leaves usually in whorls of 4, sessile or petiole to 2.2 cm, densely villous; leaf blade long ovate or ovate-oblong, 2--5 X 1.1--2.2 cm, abaxially whitish scurfy, adaxially sparsely pubescent, pinnatifid; segments triangular-ovate to long ovate, dentate.

基生叶通常早枯萎；叶柄1.2-1.5 厘米茎生叶通常在4，无梗或叶柄在2.2厘米，密被长柔毛轮生方面；叶片长卵形或卵形长圆形，2-5 X 1.1-2.2厘米，背面带白色具鳞屑，正面疏生短柔毛，羽状半裂；裂片三角状卵形的到长卵形，具牙齿。

Single leaf on the health or whorled, often the whole edge, stipule Health In the petiole petiole in from time to time.

单叶对生或轮生，常全缘，托叶生在叶柄间或叶柄内。

Petiole 2-6 mm; leaf blade ovate or elliptic, 3.5-7 × 2.5-4.5 cm, both surfaces glabrous, or abaxially sparsely villous along veins or densely white villous, base cuneate or broadly so, margin entire or serrate distally, apex acute or acuminate; leaves on flowering shoots with petiole 2-3 mm, leaf blade ovate, elliptic-lanceolate, or ovate-lanceolate, 1.5-4 × 0.5-1.5 cm, veins 3, basifugal, base cuneate or broadly so, margin subentire, apex obtuse or acute.

叶柄2-6毫米；叶片卵形或椭圆形， 3.5-7 * 2.5-4.5 厘米，两面无毛叶在花嫩枝具叶柄2-3毫米，叶片卵形上，椭圆状披针形，披针形或卵形， 1.5-4 * 0.5-1.5 厘米，脉，basifugal，基部楔形或宽楔形，边缘近全缘，先端钝或锐尖。

Begonia pulvinifera is similar to B. wangii T. T. Yü, differing in the lower surface of the leaf being pale green; petiole with a reddish brown swollen base; tepals obtuse; tepals of staminate flowers 4; tepals of carpellate flowers 3 and ovary with axile placentation throughout. Begonia pulvinifera also resembles B. cavaleriei Lév., but is distinguishable by the narrower leaf; pulvinate petiole; stipules triangular with apex acuminate or cuspidate; and ovate bracts with apex acute or acuminate.

相似种类有少瓣秋海棠与昌感秋海棠：但本新种叶背面浅绿色，叶柄基部红棕色、膨大，雄花花被片四枚，雌花花被片三枚，花被片先端圆钝，且子房通体具中轴胎座，有别於少瓣秋海棠；此外，新种之托叶三角形，先端渐尖或骤尖，叶身较窄，叶柄基部具叶枕，卵状苞片先端尖或渐尖，明显不同於昌感秋海棠。

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。

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。

Leaves several, lorate or linear, cross section semiterete or terete, solid or fistulose, base usually not narrowed into a petiole; ovules 2 to several per locule; if leaf base narrowed into a petiole or ovules 1 per locule then bulb tunic never distinctl

叶数个，带状或线形，横断面半圆柱形或圆柱状，中空的固体或，基部通常不缩小成为叶柄；胚珠2到数枚每室；如果叶基部狭窄成为叶柄或胚珠1每室那么鳞茎皮从未是distinctl 7

Radical leaves: stipules ovate, herbaceous, adnate to petiole; petiole sheathing at base; leaf blade imparipinnate; leaflets opposite, rarely alternate, broadly elliptic or obovate-oblong; cauline leaves few, with few leaflets, or simple and then margin 3-lobed or 2- or 3-serrate.

胚根叶：托叶卵形，草本，贴生于叶柄；叶柄具鞘的在基部；叶片奇数羽状；小叶对生，很少互生，宽椭圆形或倒卵形长圆形；很少的茎生叶，有很少传单，3浅裂的或单的然后空白边2或3使成锯齿波。

Leaves toward base of stem: petiole ca. 0.8-1.3 cm, tomentose, prophyll up to 1/2 as long as petiole; leaf blade ovate or narrowly ovate, 10-18 × 5-10 cm, papery, glabrous to abaxially tomentose, adaxially pilose along veins, base cordate, oblique, apex acute or acute-acuminate; veins 9, apical pair arising 1-3 cm above base, others basal; reticulate veins conspicuous.

约的对于scircapetiole的基部的叶0.8-1.3厘米，被绒毛，先出叶可达1/2的倍于叶柄；叶片卵形或狭卵形， 10-18 * 5-10 厘米，纸质，无毛到背面的被绒毛，正面具柔毛的沿脉，基部心形，偏斜，先端锐尖的或锐尖尖；脉9，出现的顶端的对超过基部1-3厘米，其它人基部；网脉明显穗状花序对生。

The average RMSE between the simulated and observed values for the dry matter partitioning ratio index of unit organs on main stem and sympodial stem with 33B cultivars was 0.028、0.017、0.013、0.035、0.021、0.009、0.011、0.014 for stem,leaf,petiole,branch on main stem,and branch,leaf,petiole and cotton bud and boll on fruit branch,respectively.

结果表明，模型对主茎、主叶、主柄、主茎分枝、果叶、果柄、果枝茎、蕾铃等单位器官在不同GDD时刻的比例指数动态过程均有较好的预测性，模拟值和观测值之间的RMSE平均值分别为0.028、0.017、0.013、0.035、0.021、0.009、0.011、0.014。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐