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子房和瘦果身体短柔毛。Ovary and achene body pubescent.

瘦果身体无毛或近无毛。Achene body glabrous or subglabrous.

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中心的瘦果最后传播。The central achenes are the last to go.

在每个季节都有一些瘦果被雨水传播。Each season, some of the achenes are dispersed by rain.

长有勾刺的瘦果,则可附在动物身上传播到其它地方。Other achene with bristles can attach on animals for travel.

薜荔瘦果的维生素和矿质元素含量也很丰富。Contents of mineral elements and vitamins are rich in the achenia.

瘦果在萌发之前必须与头状花序分离。The achenes need to be disconnected from the capitulum before they germinate.

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另一些瘦果被风力或者流水带走并且在排水沟里萌发。Other achenes are carried away by wind or runoff water and germinate in runnels.

成熟子房为花托表面的小瘦果,如草莓。The ripened ovaries are small achenes on the surface of the receptacle, as in the strawberry.

它已经把这里描述为一瘦果,因为它不裂,与一典型,开裂的蓇葖果相反。It is described here as an achene because it is indehiscent, as opposed to a typical, dehiscent follicle.

试验树种在保证播种品质的前提下,核果及瘦果类种子低温层积沙藏处理时间的长短是其育苗的关键技术。The length of seeds of drupe and achene stored in low temperature sand is the key technology of breeding seedlings.

这种位置效应确保了每一圈的瘦果在到达外围并且分离的时候才萌发。This effect of position ensures that achenes of each whorl germinate when they reach the periphery and are disconnected.

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瘦果能长时间在水上漂浮,粘液物质有助于种子的萌发和苗的发育。These achenes can float on water for a long time, and the mucilage mass facilitates the seed germination and seedling development.

在自然生境中,粘液物质将沙粒粘附于瘦果的周围,使瘦果的重量发生变化。In the natural habitat, the mucilaginous layer holds sand particles to the achene thereby increasing the achene weight even further.

白沙蒿产生三种不同颜色的瘦果,其种子具有不同的萌发速率但最终达到相同的萌发率。A. sphaerocephala produces achenes in three colors that germinate at different rates but reach the same final germination percentages.

然而,在很老的花序里,瘦果早已完全传播,这种机制就不再起作用,苞片闭合。In very old inflorescence, however, from which the achenes have already dispersed, the mechanism no longer works and the bracts are shed.

成熟之后的第一个夏季期间,花冠发生变化以确保一些瘦果能够在随后的冬季被传播。During the first summer after maturation there are changes in the capitulum that enable some of the achenes to being dispersed during the following winter.

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传播之后,瘦果的小冠毛能够附着在湿润的土壤表面,因此瘦果可以保留在死亡的母株附近并且在那里萌发。After dispersal, the short pappus of the achenes can adhere to the wet soil surface so that the achenes remain near the dead mother plant and germinate there.

银莲花,白头翁一种银莲花属植物尤指银莲花长有蓝色、紫色或白色的大花,每朵能结出许多显眼的羽状瘦果。Any of several plants of the genus Anemone, especially A. patens, having large blue, purple, or white flowers, each producing many conspicuously plumed achenes.