花瓣

Female flowers: sepals 4-8, imbricate, sometimes glandular abaxially; petals absent; disk annular; staminodes sometimes present; ovary (2 or)3(or 4)-locular; ovules 1 per locule; stigmas bifid, spreading.

雌花：萼片4-8，覆瓦状，有时背面具腺；花瓣无；花盘环状有时的退化雄蕊宿存；子房(2或者)室3(或4)；胚珠每室1；柱头2裂，平展的。

Filaments connate at least to middle; fruit capsular dehiscing loculicidally by 5 valves; seeds winged at both ends

花无梗 花瓣缺乏以极小的基础状态存在的或；子房差不多上位；花的杯状瓶形，在嘴的明显狭窄和隐藏子房；果不具皮孔。

Cauline leaves petiolate; sepals membranous only at margin, remaining until young fruit develops; petals caducous; style minutely papillate, cylindric; stem trichomes crisped simple and forked, or malpighiaceous; raceme elongated considerably in fruit.

茎生叶具叶柄；萼片膜质只在边缘，保持直到幼果发育；花瓣早落；花柱微小乳突，圆筒状；皱波状的茎毛状体单纯和分叉，或者；总状花序在果期相当大地拉长。

Any of several North American plants of the genus Mitella, having heart-shaped leaves and clusters of small white flowers with pinnately divided petals.

唢呐草一种北美唢呐草属，植物，有心形叶子并有成束带羽状分开花瓣的小白花

Flowers usually in cymes, panicles, or racemes, rarely solitary, usually bisexual, rarely unisexual, hypogynous or ± epigynous, rarely perigynous, usually biperianthial, rarely monochlamydeous, actinomorphic, rarely zygomorphic, 4- or 5(-10)-merous.

在聚伞花序里的通常的花，圆锥花序或总状花序，很少单生通常两性，很少单性，有时的萼片象花瓣一样。

Stamens (6-)12-100+, inserted at or near base of floral tube, exserted, dimorphic in most species, 6 solitary in front of sepals with thick filaments and large anthers, 12-100+ in clusters in front of petals with thin filaments and small anthers, rarely monomorphic, then all filaments thin, subequal.

雄蕊(6-)12-100 +，着生在花被管或其近基部，外露，在大多数种里二形，在萼片前前面的6单生具粗的花丝和大的花药，在花瓣前12-100＋簇生具细的花丝和小的花药，很少同型，同型则花丝细，近等长。

Leaves narrowly oblanceolate, 1-2.5 cm; sepals triangular to narrowly elliptic; petals 4-4.5 mm, apex shortly mucronate

叶狭倒披针形，1-2.5厘米；萼片三角形的到狭椭圆形；短的花瓣4-4.5毫米，先端短尖 78 S。

Petals to 4.5 mm, free, apex not mucronulate.

花瓣给4.5毫米，离生，先端不。

Stamens 8, distinct, ones opposite sepals nearly as long as petals; filaments with indumentum toward base , gradually tapering from ± broad base to subulate apex, becoming reflexed; anthers obtuse or obtusely mucronulate.

雄蕊8，离生，东西与萼片对生近等长花瓣；花丝近基部被毛，由多少宽的基部到钻形的先端逐渐减少，变得反折；花药钝的或具钝的小短尖。

Fruit sets in another Mussaenda species, M. parviflora. Based on our survey, we found many of the

细胞排列上，都与正常的花瓣类似，加上有著显著的颜色，一般皆认为这些叶状萼片在功能

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。