锯齿状

Characteristics: Climbing perennial woody vines, stem densely hairy; leaves compound, opposite, consisting of three leaflets or sections, biternate or pinnate, the leaflets 3－9, acuminate at apex, coarsely serrate at margin; inflorescences panicles or cymes, axillary; flowers white to yellowish

形态：多年生攀缘性木质藤本，茎被密毛；叶对生，2回3出叶或羽状复叶，小叶3－9，先端渐锐，叶缘粗锯齿；圆锥或聚繖花序腋生，花白色至淡黄绿色，似花瓣的花萼4片；瘦果聚合，各具毛绒长尾。

In contrast, P. obliquum has lamina with basal pinnae contracted, scales of petiole brown adaxially, scales of rachis up to 2.3×0.5 mm, pinnae green, chartaceous, matt adaxially, and serrulate on margin, and microscales 0.2-0.5×0.1-0.2 mm.

obliquum相似，但吞天井耳蕨的叶片基部最宽，向基部不缩短，叶柄鳞片近轴面深棕色，叶轴鳞片达3.6×0.8mm，羽片深绿色，近革质，向轴面有光泽，边缘具略波状微齿或近全缘，小鳞片达2×0.5mm；而斜羽耳蕨的叶片的基部缩短，叶柄鳞片向轴面棕色，叶轴鳞片达2.3×0.5mm，羽片绿色，草质，向轴面无光泽，边缘有锯齿，小鳞片达0.5-0.8×0.2-0.3mm。

Leaves 1 or 2 per ultimate branch; sheath margins ciliolate; auricles absent, oral setae few, 1–2 mm; ligule truncate, ca. 0.4 mm; blade linear-lanceolate, 4–9.4 × 0.5–0.9 cm, glabrous, secondary veins 2- or 3-paired, transverse veins obscure, base cuneate, one margin spinescent-serrulate, other margin obscure.

每末级的分枝留下1或2；鞘边缘具短缘毛；叶耳无，口头的刚毛少数，1-2毫米；叶舌削去，大约0.4毫米；叶片线状披针形， 4-9.4 * 0.5-0.9 厘米，无毛，2或3配对的次脉，不明显的横向脉，基部楔形，具刺有细锯齿的一边缘，不明显的其他边缘。

Male flowers: pedicels long and slender; sepals 4-7, imbricate, margins entire or serrulate; petals absent; disk of 4-7 segments, these sometimes connivent or fused; stamens 4-7, inserted at base of disk, longer than sepals; filaments free; anthers 2-locular, erect, extrorse, longitudinally dehiscent; pistillode small, 2- or 3-lobed.

雄花：花梗长和纤细；萼片4-7，覆瓦状，边缘全缘或有细锯齿；花瓣无；花盘4-7裂，有时靠合或愈合；雄蕊4-7，着生于花盘基部，长于萼片；花丝离生花药2室，直立，外向，纵向开裂；退化雌蕊小，有叶2或3。

Leaves odd-pinnate, 15-21 cm; leaflets 3-5; leaflet blades oblong to oblong-obovate,(6-)10-12(-13)× 2.5-4(-5) cm, leathery, glabrous, lateral veins 7 or 8(-10) pairs, conspicuous, base acute, margin crenately serrate, apex acuminate.

奇数羽状复叶，15-21厘米；小叶3-5；小叶叶片长圆形到长圆状倒卵形，(6-)10-12(-13)* 2.5-4(-5)厘米，革质，无毛，侧脉7或8(-10)对，明显，锐尖的基部，边缘有锯齿，先端渐尖。

Petiole 4-9 mm; leaf blade elliptic or ovate-elliptic, 7-14 × 3-6 cm, base cuneate, margin serrate to crenulate, apex acute; lateral veins 5-7 pairs.

叶柄4-9毫米；叶片椭圆形的或卵状椭圆形， 7-14 * 3-6 厘米，基部楔形，边缘有锯齿到具细圆齿，先端锐尖；侧脉5-7 对。

Leaf blade (1.5-)3.5-17 cm wide, margin crenate, crenulate, dentate, denticulate, or serrate, often repand, seldom subentire to entire.

叶片(1.5-)3.5宽-17厘米，边缘具圆齿，具细圆齿，具牙齿，具小齿，或有锯齿，残波状的通常，很少近全缘到全缘。

Leaflets narrowly ovate, ovate-lanceolate, or oblong-elliptic, margin sparsely spinose-serrate, both surfaces glabrous, or only crinite at axils of lateral veins.

小叶狭卵形，卵状披针形，或长圆状椭圆形，边缘疏生具刺锯齿，两面无毛，在侧脉的腋只具长软毛的或。 22 M。 rhoifolia 漆叶泡花树

Plants reddish hirsute; branchlets angular; inflorescences glomerate or paniculate, rarely to 4 cm; leaf blade apex cuspidate, margin serrate or dentate, teeth callose

植株带红色的具粗毛；小枝具角花序团集的或圆锥状，很少对4厘米；叶片先端骤尖，边缘有锯齿或具牙齿，齿callose 9 Maesa permollis 毛杜茎山

Leaves 3 or 4(–8) per ultimate branch; sheath densely deciduously setose; auricles readily deciduous, falcate; oral setae radiate, purple, ca. 3 mm; ligule prominent, ca. 5 mm; blade lanceolate, 10–23 ×(1–)2.5–3.3 cm, secondary veins 7- or 8-paired, abaxially yellow-green and white tomentellate, adaxially light green and glabrous, base asymmetrically cuneate, margins serrulate.

每末级的分枝的叶3或4(-8)；鞘浓密具刚毛的脱落的；叶耳容易落叶，镰刀形；口头的刚毛辐射状，变紫，约3毫米；杰出的叶舌，约5毫米；叶片披针形， 10-23 *(1-)2.5-3.3 厘米，次脉7-或8配对，背面的黄绿色和白色短绒毛，正面和无毛的淡绿，不对称的楔形的基部，边缘有细锯齿。

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