无柱头的

Pistillate flowers with stamens undeveloped or without pollen; disk often absent; ovary terete or obovoid; stigma capitate or discoid, sometimes 2- or 3-lobed, sessile.

雌花具不发达的雄蕊或没有花粉；花盘经常无；子房圆柱状的或倒卵球形；柱头头状或盘状，有时2-或3裂，无梗。

The main results were showed as follows:Through screen and identification of morphology in M_2 and M_3, respectively, the mutants with mutative traits of plant were found. In which, 11 mutations were leaf variations, including light-green leaf, deep-green leaf, durative yellowish leaf, temporary yellowish leaf, inlaid yellowish leaf, wrinkly leaf, smooth-edged curly leaf, splitting-shaped curly leaf, peduncular-shaped leaf, round leaf and larger leaf, 12 were mutations on plant type, including excessive branches, lacking branches, highness, dwarf-like, erect posture, reclinate posture, strong stalk, slender stalk, tufty branches, wrinkled plant, purple stalk and hair-covered plant, 14 were flower variations, including dense flowers, light-yellow petals, white petals, white-mosaic petals, wrinkled petales, back-rolled petals, narrow petals, larger petals, smaller petals, apetalous flowers, variable-numbered petals, fertile pistil protraction, sterile pistil protraction and multi-anther, and 5 were physiologic mutants, including genic male sterile, cytoplasmic male sterile, bud-dead, and early and later bloom.

主要结果如下：通过田间M_2筛选和M_3重复鉴定，在田间农艺性状方面共获得浅绿叶色、深绿叶色、转绿黄化叶、持续黄化叶、边缘黄化叶、皱缩叶、光叶型卷叶、裂叶型卷叶、薹叶形叶、宽圆叶和大叶等11种不同的叶部性状突变体；同时还筛选到多分枝、少分枝、高杆、矮杆、株型紧凑、株型松散、粗茎、细茎、丛生分枝、整株皱缩、紫茎、整株被毛等12种植株性状突变体，密花、浅色花瓣、白色花瓣、白斑花瓣、皱瓣、卷瓣、窄瓣、大瓣、小瓣、无瓣、花瓣数目不定、可育型柱头外露、不育型柱头外露和多雄蕊等14种花器性状突变体，以及细胞核雄性不育、细胞质雄性不育、死蕾、早花和迟花等5种生理性状突变体。

Fruit dehiscent silicles, oblong, ovoid, ellipsoid, or globose, terete, rarely slightly latiseptate or angustiseptate, sessile; valves veinless or obscurely veined, glabrous, papillate, or with simple trichomes, smooth; replum rounded; septum complete, perforated, or absent; style obsolete or to 3 mm; stigma discoid, entire.

果开裂短角果，长圆形，卵球形，椭圆形，或球状，，很少稍具宽隔膜或果实狭隔，无梗；裂爿无脉或不明显脉，无毛，具乳突，单的或具，平滑；假隔膜绕行；隔膜完全，在上打孔，或无；花柱废退的或到3毫米；柱头盘状，全缘。

Female flowers at base of inflorescences, larger than male ones, each bract-axil with only 1 female flower; pedicel short but distinct; calyx, rarely 2-sepaled, slightly fused at base; petals and disk absent; ovary 2-celled; ovules 1 per cell, smooth; styles short; stigmas 2, revolute, entire, eglandular.

雌花在花序的基部，比雄花大，每苞片腋只具1雌花；花梗短但是明显；花萼，很少2萼片，稍在基部愈合；花瓣和花盘无；子房2室；胚珠1 每室，平滑；花柱短柱头2，外卷，全缘，无腺体。

Female flowers 1-3 at base of inflorescence, sometimes absent; pedicel distinct; sepals [2 or]3, irregularly triangular, fused at base, glandless; petals and disk absent; ovary [2 or]3-locular, smooth, usually glabrous; style present; stigmas [2 or]3, undivided, glandless.

在花序的基部的雌花1-3，有时无；花梗清楚；萼片 [2或者 ]3，不规则三角形，在基部愈合，无腺体；花瓣和花盘无；子房 [2或者 ]3室，平滑，通常无毛；花柱宿存柱头 [2或者 ]3，不裂，。

Fruit dehiscent siliques, linear to linear-lanceolate, strongly latiseptate, sessile, readily detached from pedicel; valves leathery, glabrous, torulose, margin angled, with prominent midvein and marginal veins, lateral veins obscure, apex persistently united with replum; replum rounded; septum complete, membranous, translucent; style absent; stigma conical, 2-lobed, lobes prominent, free, decurrent.

果开裂的长角果，线形的到线状披针形，强烈具宽隔膜，无梗，容易从花梗分开；革质的裂爿，无毛，近念珠状，边缘有棱，突出的具和边缘脉，侧脉不明显，先端持续与假隔膜连接起来；假隔膜绕行；隔膜完全，膜，半透明；花柱无；柱头圆锥状，2裂，突出的裂片，释放，。

Ovary rudimentary in male flowers, sessile or shortly stipitate, free or adnate to the perianth; 1-locular, ovule solitary, erect from the base; style simple, or absent; stigma diverse, capitate, penicillate-capitate, subulate, filiform, ligulate, or peltate.

退化子房在雄花内，无柄或者短，离生或者在贴生到花被；1室，胚珠单生，从基部直立；花柱单，或者无；柱头形状多样，头状，具毛撮的头状，钻形，丝状，舌状，或者盾形。

Fruit dehiscent siliques, linear or oblong, terete or 4-angled, sessile; valves with a prominent midvein and distinct marginal veins, glabrous or scabrous, torulose; replum rounded; septum complete; style obsolete or distinct and to 6 mm; stigma capitate. Seeds uniseriate, wingless, oblong, plump; seed coat longitudinally striate, not mucilaginous when wetted; cotyledons incumbent.

果开裂的长角果，线形的或长圆形，圆柱状的或四棱形，无柄；裂爿具突出中脉和离生边缘脉，无毛或粗糙，；假隔膜绕行；隔膜完全；花柱废退的或离生和对6毫米；柱头头状种子单列，无翼，长方形，肥厚；纵向具条纹，不黏的种皮被弄湿；子叶现任。

Female flowers: corolla lobes linear-oblong; stamens absent; ovary estipitate, 1-loculed; ovules several to numerous, placentation parietal; stigmas 5, inflated or linear.

雌花 花冠裂片线状长圆形；雄蕊无；子房无柄，1室；胚珠数个到多数，侧膜胎座；柱头5，膨大的或线形。

Bisexual flower: tepals reflexed; disk annular; ovary semi-sunken in disk; stigma sessile.

花瓣4或5。花梗无毛两性花：花被片反折；花盘环状在圆面里凹陷半的子房；柱头无梗。

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