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Secondly, according to the stem and leaf anatomy, leaf epidermis, pollen morphology and floral development, it is found that there are no close relations between Acorus and Typhales, especially in the aspect of floral development. In the course of floral development of A. calamus, neither bracteloe primordium nor common primordium occurs in the whole course. Early development of the flower is strongly unidirectional. Three shield carpels develop into a pistil. In Sparganium fallax, each female flower has a bracteole. The bracteole primordium and the floral primordium originate from a complex structure. A single saccate carpel develops into a pistil. In staminate flowers, petal and stamen primordia initiate spirally.

菖蒲属与香蒲目的茎叶解剖特征、叶表皮特征、花粉特征及花器官发生特点等亦存在着明显区别,特别是花器官发生特点差异尤为显著,如菖蒲属花器官发生过程中,没有苞片原基,也不存在任何形式的复合原基,花被与雄蕊原基均以单向性方式发生,雌蕊由3心皮发育而成,具有"盾状心皮"的特点等,黑三棱属则有苞片原基发生,且苞片原基与雌花原基起源于共同的复合结构,雄花的花被原基和雄蕊原基均以螺旋状方式发生,雌蕊由单心皮发育而成,未发现有2或3个心皮原基或其痕迹的现象,体现出"囊状心皮"的特点。

Stamens 6, slightly tetradynamous; filaments of lateral stamens filiform, those of median pairs strongly dilated or appendaged basally; anthers ovate, apiculate or not at apex.

雄蕊6,稍;强烈花丝的丝状的侧雄蕊,那些的中间对膨大或基部;花药卵形,具细尖的或并非在先端。

The discussed emphasis was put on the expression profile of similarity to rice MADS box genes, phylogenic kin of new genes and some function-known genes.

其中既有与雄蕊有关的,又有与雌蕊和胚胎发生有关的,还有与雌雄蕊都有关的基因。

Capsule septicidal, seeds usually unwinged, or with keel or small; stamens free, or fascicles with filaments free nearly to base, or if up to 2/3 united, then stamens 3

通常种子,蒴果室间开裂,小的龙骨状的或具或;如果可达2/3的合生,雄蕊离生,或束簇具花丝离生近基部,或,然后雄蕊3 5

Flowers usually in terminal panicles 6-12 cm; stamen or staminode filaments with long hairs in lower half; disk glands free among filament bases.

在顶生的圆锥花序6-12厘米里的通常的花;雄蕊或退化雄蕊花丝具长毛在下半部;在花丝基部中的花盘腺体离生。

Flowers in short racemes or cymes to 5 cm, these axillary or terminating short lateral branches; stamen or staminode filaments glabrous, or with short hairs in lower half; disk annular or comprised of connate or free glands, in an extragynoecial or extras

花生于短总状花序或聚伞花序到5厘米,这些腋生的或顶生短侧枝;雄蕊或退化雄蕊花丝无毛,或具短毛在下半部;包括合生的或离生腺体的花盘环状或,在雌蕊群外或额外费用里 Flacourtia or Xylosma

Stamens 2, adnate to abaxial side of corolla tube below middle, included; anthers basifixed, coherent apically or adaxially, thecae parallel, not confluent at apex, dehiscing longitudinally; connective not projecting; staminodes 2 or 3, adnate to adaxial side of corolla tube.

雄蕊2,贴生于花冠筒中间以下的背面的边,包括;花药基着,连着或,平行,不汇合的囊在先端,纵向开裂;药隔不凸出;退化雄蕊2或3,贴生于花冠筒的正面的边。

Stamens 2, adnate to abaxial side of corolla tube above middle, included; anthers dorsifixed, coherent by adaxial surfaces, thecae divaricate, confluent at apex, dehiscing longitudinally; connective not projecting; staminodes 2, adnate to adaxial side of corolla tube.

雄蕊2,贴生于花冠筒在中部以上的背面的边,包括;花药背着,通过正面,囊极叉开,汇合的在先端,纵向开裂连着;药隔不凸出;退化雄蕊2,贴生于花冠筒的正面的边。

Stamens 4, adnate to corolla tube near or above middle, included; anthers basifixed, coherent in pairs, thecae divergent, not confluent or confluent, dehiscing longitudinally; connective not projecting; staminode absent or 1, adnate to adaxial side of corolla tube. Disc ringlike.

雄蕊4,贴生于花冠筒近的或在上部中间,包括;花药基着,成对连着,囊分叉,不汇合的或合流河,纵向开裂;药隔不凸出;退化雄蕊缺席或者1,贴生于花冠筒的正面的边。

The corolla of the 235A degenerated and most of its shrivelling stamen had incompletely developed anther and stigma.A few fertile pollens in one or two completly developed stamen were not emerged because anthers were closed by much longer calyx.

研究表明,新发现的辣椒雄性不育花冠退化,大部分雄蕊萎缩、没有花丝、具发育不完整的花药;虽然花内1~2枚发育正常的雄蕊有少量可育花粉,但由于花萼畸长紧闭,不能开花。

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推荐网络例句

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。