团伞花序

Branches not arachnoid hairy when young; leaf apex aristate awned, awn sometimes deciduous; flowers usually 4-6 per glomerule; stamens usually 2; seed vertical.

分枝幼时没具蛛丝状毛的；具芒的叶先端具芒，芒有时脱落的；每团伞花序通常的花4-6；通常的雄蕊2；种子垂直 1 H 。

Leaves opposite or rarely alternate, subequal in size; stipules lanceolate, 7-10 mm; petiole 1.5-6(-10) cm, densely pubescent; leaf blade dark green or black when dry, oblate to 5-angled or oblate to orbicular-ovate, often ovate in upper stems, 8-12(-18)× 7-14(-22) cm, papery, secondary veins 2 pairs along midvein, abaxial surface densely pubescent along veins and veinlets, adaxial surface roughish, densely strigose, base truncate, subcordate, or broadly cuneate, margin coarsely 8-12-dentate, teeth gradually larger distally, often biserrate apically, apex 3-cusped or lobed, tip serrulate. Glomerules on axillary spikelike flowering branches, male branches often branched, 8-17 cm; female spikes distal, unbranched or branched, 5.5-24 cm.

叶对生或很少互生，大小近等；托叶披针形，7-10毫米；叶柄1.5-6(-10)厘米，密被短柔毛；叶片深绿色或黑色的干燥时，扁球形到具5个角或扁球形的到圆形卵形的，通常在上面茎内卵形的， 8-12(-18)* 7-14(-22)厘米，纸质，次脉2 对沿中脉，背面密被短柔毛的沿脉和细脉，正面微糙，密被糙伏毛，基部截形，近心形，或宽楔形，团伞花序在腋生的穗状的花枝，雄性分枝通常分枝，8-17厘米的；雌性穗状花序上部，不分枝或分枝，-24 厘米。

Male glomerules axillary, 1-1.5 cm in diam. Male flowers 5-merous; pedicel 4-5 mm; perianth lobes boat-shaped to elliptic, ca. 1 mm, glabrous or subglabrous, connate at base, often corniculate near apex; rudimentary ovule ellipsoid, ca.

腋生的雄性团伞花序，1-1.5厘米直径雄花5瓣；花梗4-5毫米；花被裂片舟状的到椭圆形，约1毫米，无毛或近无毛，在基部合生，经常具小角状突起的近先端；不发育胚珠椭圆形，约0.5毫米。

Leaf blade herbaceous, lanceolate, smooth adaxially, apex caudate or acuminate; female spikes of usually distant glomerules, often branched at base, straight; achene stipitate or very shortly so.

叶片草质，正面披针形，平滑，先端尾状或渐尖；雌性穗状花序通常稀疏的团伞花序的，通常分枝在基部，直；瘦果具柄的或者非常短的如此。

Leaf blade thickly papery, linear-lanceolate, often strongly rugose adaxially, apex tapering to acuminate; female spikes of congested glomerules, simple, nodding; achene long stipitate.

厚纸质的叶片，线状披针形，正面经常强烈具皱纹，先端渐狭到渐尖；密集的团伞花序的雌性穗状花序，单，有节；瘦果具长柄。

Leaves alternate; stipules lanceolate, 4-8 mm; petiole 2-11(-13) cm, pubescent or glabrous; leaf blade ovate, elliptic, oblong or subelliptic,(5-)9-21 × 2.5-10 cm, papery, slightly rough, secondary veins 3 or 4 pairs along midvein, abaxial surface strigillose or pubescent on veins, rarely glabrous, adaxial surface sparsely appressed strigillose or glabrous, base broadly cuneate, rounded, or obtuse, margin denticulate, apex acuminate or caudate-acuminate. Glomerules usually unisexual, sometimes bisexual, in the axils of current and fallen leaves along normal leafy stems, 4-10 mm in diam.; male ones on proximal part of flower-bearing branches; female ones on distal part.

叶互生 托叶披针形，4-8毫米；叶柄2-11(-13)厘米，被短柔毛或无毛；叶片卵形，椭圆形，长方形或，( 5-)9-21 * 2.5-10 厘米，纸质，粗糙的稍，次脉3或4 对沿中脉，背面具短糙伏毛的或短柔毛在脉上，很少无毛，正面疏生贴伏具短糙伏毛的或无毛，通常单性的团伞花序，有时两性，在正常生叶的茎的叶和脱落叶的腋内，直径4-10毫米；在忍受花的分枝的下部上的雄性的；在上部上的雌性的。

Flowers borne in axillary glomerules, bisexual and female, with 2 bractlets.

花生于腋生团伞花序，两性和女性，具2。

Flowers borne in axillary glomerules, sessile, unisexual, each with 2 membranous, scale-like bractlets.

花生于腋生团伞花序，无梗，单性，其中每个2膜质，鳞片状。

Leaf blade 6.5-19 × 6-17.5 cm; spikes of distant glomerules to 40 cm.

叶片 6.5-19 * 6-17.5 厘米；稀疏团伞花序的穗状花序达40厘米的。

Leaf blade 5-9.4 × 5-8 cm; spikes of congested glomerules to 5.5 cm.

叶片 5-9.4 * 5-8 厘米；对5.5 厘米的密集的团伞花序的穗状花序 14 B 。

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.

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