瓣花

Flowers bisexual, actinomorphic but androecium often slightly zygomorphic, usually (3 or)4- or 5(or 6)-merous, perianth biseriate, perigynous; bracteoles opposite, usually caducous.

花两性，辐射对称但是雄蕊群通常稍左右对称，通常4-或5 (或6)瓣，花被双列，周位；小苞片对生，通常早落。

Flower and Moon Water repeatedly overlap in the shadow of you and me, and I thought confusion, my heart for you, for the Moon Water crumbled into two, so in the end even I can no longer distinguish between what for whom aphonia cried, I almost lost their soul to Moon Water, always lay down their phone, the distance you said softly, Moon Water, I really want you.

镜花和水月的影子一再重叠在你和我的身上，我的思维混乱，我的心为你、为水月碎成了两瓣，以至于到最后居然再也不能分清我究竟在为谁痛哭失声，我几乎为了水月而失去灵魂，总是在放下电话后，对远方的你轻声说，水月，我真的很想你。

Flowers 4-merous, often protandrous, with floral tube, producing nectar at base of style.

花4瓣，通常具花被管，生产花蜜在花柱基部的。

Peduncle 1.8-3 cm, 1-3 × dichotomously branched, several flowered, very slender; pedicel 5-10 mm. Flowers 4-merous, ca. 10 mm in diam.; sepals semirotund; petals greenish white, oblong.

花序梗1.8-3厘米， 1-3 分枝，数朵花，很细长；花梗5-10毫米花4瓣，直径大约10毫米；萼片半圆；花瓣带绿色白色，长方形。

Scape extravaginal, somewhat curved and drooping,30-35 cm long, with yellow and scentless flower; sepals narrow-obovate,4.5-5.5cm long; lip broad-ovate,, 3-lobed, mid-lobe with broad V-shaped purple-red blotch, velutinous in the V area.

花葶从叶鞘中穿出稍弯下垂，长30~35cm ，有6~20朵花，黄绿色，无香味；萼片狭倒卵形，长4.5~5.5cm ；唇瓣宽卵形，3裂，中裂片中部有宽阔的&V&字形紫红色斑块， V 形区有天鹅绒般细毛。

Flowers 4-merous only; cymes with less than 7 flowers; leaf blade margin without cilia

仅花4瓣；有少于7朵花的聚伞花序；叶片边缘没有cilia 7

Sometimes armed with stinging hairs; epidermal cells of leaves, sometimes stems, perianths mostly with prominent cystoliths punctiform to linear; Leaves alternate or opposite, stipules present, rarely absent; leaf blade simple. Inflorescences cymose, paniculate, racemose, spicate, or cluster-capitate, usually formed from glomerules, sometimes crowded on common enlarged cuplike or discoid receptacle, rarely reduced into a single flower. Flowers unisexual, rarely bisexual in partial flowers; actinomorphic, very small,(1-)4- or 5-merous, rarely perianth absent in female flowers.

有时具有蛰毛的刺；叶的表皮细胞，有时茎和花被的表皮细胞大部分有显著的点状或线形的乳状体；叶互生或者对生，托叶有，很少无；单叶花序聚伞状，圆锥状，总状，穗状，或者丛生头状花序，花单性，部分花两性；辐射对称，小，(1-)4-或者5瓣，很少在雌花内无花被。

Scape suberect, usually shorter than leaves, loosely bearing 6-12cm or more flowers; bracts 5mm long; pedicel including ovary 4cm long; flower light yellow-green, faintly fragrant like Osmanthus fragrans ; dorsal sepal nearly oblong, 4.5-6cmlong, 1.2-1.8cm wide, yellow-green ,base tinged purple-brown on back, lateral sepals oblique-oblong, slightly narrow, petals narrower than sepals, 5-12mm wide, light yellow-green, spotted purple-red at base; lip slightly short-clawed, 3-lobed, side lobes erect, striped purple-red, mid-lobe somewhat reflexed, waved at margin, disk pubescent above, with 2paralles lamellae, long-hairy.

花葶近直立，常短于叶，疏生6~12朵或更多朵；花苞片长约5mm ；花梗连子房长约4cm ；花浅黄绿色，稍有桂花香气；中萼片近矩圆形，长4.5~6cm ，宽1.2~1.8cm ，黄绿色，背面基部有紫褐色晕，侧萼片斜矩圆形，稍窄；花瓣比萼片窄，宽5~12mm ，浅黄绿色，基部有紫红色的小斑点；唇瓣略有短爪，3裂，侧裂片直立，具紫红色条纹，中裂片略反折，边缘波状，唇盘上表面被短柔毛，2条褶片平行，生长毛；合蕊柱须长，3~4.2cm 。

Orchid with red-tinged linear leaves and panicle of purple -marked pale-yellow flowers with d p red or purple lip; southwestern Australia.

具有 淡红色线形叶子和圆锥花序，花暗黄色，花上有紫色斑纹和红色或紫色的唇瓣；产于澳大利亚西南部。

Orchid of northeastern and alpine eastern North America closely related to the purple fringed orchids but having rosy-purple or violet flowers with denticulate leaf divisions.

北美东北部和东部高山产的一种兰花，他与大花的大紫玉凤兰有密切亲缘关系，但有玫瑰紫色至紫罗兰色的花，唇瓣裂片成齿状。

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。

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