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雌蕊

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Botany A columnlike structure, especially one formed by the union of a stamen and the style in an orchid flower, or one formed by the united staminal filaments in flowers such as those of the hibiscus or mallow.

蕊柱:一种柱形结构,尤指由兰花中雄蕊和雌蕊组成的结构,或指由木楼或欧锦葵属雄蕊联合构成的柱状结构

Abortive pistil in staminate flowers minute.

在小雄花里的败育的雌蕊

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

Gynoecium 3-5(or 6)-carpelled and -loculed; ovaries axially or ± completely connate; placentation apical-axile; ovules pendulous, solitary or collateral in each locule; style terminal, stylar elements coherent or rarely distinct at base; stigma 3- or 4-branched or capitate.

雌蕊群具3-5(-6)心皮和室;子房沿轴方向合生或者几乎完全合生;顶生中轴胎座;胚珠下垂,在每室内单生或者并生;花柱顶生,花柱粘在一起或很少基部离生;柱头3-4分枝或者头状。

Gynoecium 3-5-loculed, syncarpous; radial walls of locules becoming curved after anthesis; ovules 2 per locule; style to 1.5 × as long as ovary, deciduous in fruit.

雌蕊群3-5室,合心皮;子房室的径壁在花期后变弯曲;每室胚珠2;花柱长达子房的1.5倍,果期脱落。

Stamens 8 or 10, distinct, alternately unequal in length; filaments ± abruptly dilated toward base,± straight or geniculate. Disk columnar, conic, bell-shaped, or ± hourglass-shaped. Gynoecium (2-)4- or 5-loculed, syncarpous; radial walls of locules straight; ovules 2 per locule; style 0.5-2.5 × as long as ovary, deciduous in fruit.

雄蕊8或10,离生,交替不等长;花丝在基部多少突然膨大,多少直立或膝曲;花盘柱状,圆锥状,铃状,或多少沙漏状;雌蕊群(2-)4或5室,合心皮;子房室径壁直;每室胚珠2;花柱0.5-2.5 *等长于子房,在果期落叶。

No pumpkins will grow if the female flower is not pollinated at the right time.

如果雌蕊没有在正确的时间被授粉的话就不会结南瓜。

No pumpkins will grow if the female flower is not pollinated at the right time.

如果雌蕊没有在适当的时候受精,那么南瓜就无法生殖。

No pumpkins will grow if the female flower is not pollinated at the right time.

如果雌蕊没有在适当时间授粉,南瓜不可能成长。

With the aid of aniline blue staining, pollen tube growth in pistil tissue was observed in Arabidopsis thaliana, and the growth speed of pollen tubes in style and ovary were calculated, the results showed that the pollen tube grew faster as time goes on.

以模式植物拟南芥为供试材料,利用脱色苯胺蓝染色的方法观察了拟南芥花粉管在雌蕊组织中的生长情况,获得了花粉管从萌发到进入花柱和子房不同时期的生长速率,结果表明,花粉管在不同时期的生长速率呈现出逐步加快的趋势。

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