叶脉

Leaf venation usually longitudinal, sometimes pinnate and inflorescences then brushlike; floral units sessile, variously arranged in spikes or clusters.

叶脉通常纵裂，有时羽状和花序然后刷子状；花单位无梗，各式地排列在穗状花序或簇生族。 2 Melaleuca 白千层属

Using X-ray microanalysis to determine the ion levels in a bulliform cell inepidermis, a mesophyll cell and a vascular bundle sheath cell of four reed ecotypes.

采用X射线微区分析技术测定了四种生态型芦苇的叶表皮泡状细胞、叶肉细胞和叶脉维管束鞘细胞离子的含量。

Leaves radical from vegetative stem, solitary from flowering stems, curvinerved.

叶在营养体茎上基生，在开花茎上单生，具曲叶脉。

Stem leaves petiolate, petioles ca. 10 cm; sheaths broadly ovate, 2.5–4 cm, purple-red adaxially, densely white-setose abaxially; blades triangular-oblong, 10–15 × 5–7 cm, 3-pinnate; pinnae 5–7 pairs, only basal pinnae short-petiolulate; ultimate segments obovate or oblanceolate, 3–5 × 2–3 mm, setose along nerves abaxially, entire or 2–3 toothed, cuspidate at apex.

茎生叶具叶柄，叶柄约厘米；鞘宽卵形，正面2.5 -4厘米，紫红色，密被白色具刚毛；叶片三角形的长圆形， 10-15 * 5-7 厘米，3回羽状；羽片5-7 对，只是基本的羽片短的小叶柄；末回裂片倒卵形或倒披针形， 3-5 * 2-3 毫米，具刚毛沿着叶脉背面，全缘或齿状，骤尖在先端。

Thick stem of the potato, in the Man-type, leaf green, kidney-type, petiole, stem are green, veins, geranyl Department of purple, purple-red skin potato, spindle type, the high rate of potato, sweet potato spring block 2-4 summer potato blocks 3-8, blockenlarged, smooth non-cleaved ditch resistance, storage, germination strong resistancelean, cooked noodles and sweet chestnut like incense and rich nutrition, high resistance to stem nematode, anti - root rot, is suitable for processing of starch, dry and cut the best varieties for human consumption.

该薯茎蔓粗壮，中蔓型，叶绿色，肾型，叶柄，茎蔓均为绿色，叶脉、叶基部紫色，薯表皮紫红色，纺缍型，大薯率高，春薯2-4块，夏薯3-8块，薯块膨大块，光滑无裂沟，耐贮藏，萌芽性强，耐肥耐瘠，熟食面甜而香似板栗，营养丰富，高抗茎线虫病、中抗根腐病，是适合加工淀粉、切干和食用最理想的品种。

Rod red brown or cinnamon, have edge, shape of foliaceous water chestnut is elliptic, tip is short gradually pointed, base ministry wedge, the predestined relationship is provided fine pure toothed, grow 3-12cm, wide 2-8.5cm, two sides does not have wool glossily, the leaf expresses green, the leaf carries dark green green on the back, vein and Xie Bing all take green, individual plant of different of male and female, female male flower all is catkin, capsule does not have wool, 2-3 valve is cracked, the seed is small, hairiness, first Xie Kaifang, florescence April, fruit is ripe April.

纵裂。小枝红褐或黄褐色，具棱，叶菱状椭圆形，先端短渐尖，基部楔形，缘具细纯锯齿，长3-12cm，宽2-8.5cm，两面光滑无毛，叶表绿色，叶背苍绿色，叶脉和叶柄均带绿色，雌雄异株，雌雄花均为柔荑花序，蒴果无毛，2-3瓣裂，种子小，有毛，先叶开放，花期4月，果熟4月。

Petioles acute-triangular in cross section, 5–20 cm, sheaths triangular-ovate; leaf blade triangular-ovate, 20–45 × 17–40 cm, 2–3-ternate-pinnate; leaflets subsessile or short-petiolulate, long-ovate to elliptic, 2.5–12 × 1–6 cm, base obliquely cordate to cuneate, margin coarse-toothed or serrate, apex acuminate, glabrous or hispidulous along nerves.

叶柄锐尖三角形的在横断面上，5-20厘米，鞘三角状卵形；叶片三角状卵形， 20-45 * 17-40 厘米，羽状2-3回三出；小叶近无柄或短的小叶柄，长卵形到椭圆形， 2.5-12 * 1-6 厘米，基部斜心形对楔形，边缘粗糙的齿或有锯齿，先端渐尖，无毛的或沿着叶脉具短硬毛。

Marginal and interveinal scorch of old leaves.

老叶的边缘和叶脉间成烧焦状。

We named the spicular cells which forming false veins interveinal spicular cells, and the spicular cells on veins are veinal spicular cells in this thesis.

本论文将此构成假脉之细胞称为脉间矽异形细胞(interveinal spicular cell， ISC)，而将分布於叶脉上的矽异形细胞称为脉上矽异形细胞(veinal spicular cell， VSC)。

General yellow-green or yellow interveinal chlorosis of fully expanded and younger leaves with major veins and most minor vein clearly defined green without appreciable adjacent green lamina; some younger leaves with profuse interveinal brown necrotic spotting.

甜菜缺铁：完全展开叶的脉间褪绿一般黄绿色或黄色，嫩叶的主脉和大部分侧脉明显显示绿色没有可察觉的相连的薄层；一些嫩叶脉间有大量褐斑。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。