查询词典 achene

Achene A dry indehiscent fruit formed from an ovary with a single carpel containing a single seed, e.

瘦果：由一个心皮构成的闭果，果内只含有一粒种子。

Female flowers: sessile; style apical, persistent, as long as achene; stigma funnelform.

雌花： 无柄花柱顶端，宿存的，等长于瘦果；柱头漏斗状。

Tenacissima ; achene long stipitate at base.

tenacissima ；瘦果具长柄在基部。

Pedicels of female flowers conspicuously laterally and symmetrically winged; achene articulated on pedicel.

雌花的花梗显著侧面和对称地具翅；瘦果在花梗上明显。

Leaf blade margin entire or erose, rarely inconspicuously serrate distally; achene with a purplish ring on both surfaces.

叶片边缘全缘或啮蚀状，很少难以觉察有锯齿；有一枚略带紫色的戒指在两面的瘦果。

Its results showed that ratio of length to width of petal and sepal and the degree of flat of achene within population were characterized as the most stable characters and gradually increased with the increase of latitude.

结果表明，居群内，瘦果扁平度、花瓣长宽比、萼片长宽比变异最为稳定，居群间，这3个繁殖器官的相对性状呈现随着纬度的增加逐渐增大的趋势，并且随纬度的增加，核型不对称系数呈现不断增加而染色体总长不断减小的趋势。

Flowers usually forming loose cymes or cymose panicles, sometimes spikes or in clusters; achene without crested appendix at apex.

花通常形成松散的聚伞花序或密伞圆锥花序，穗状花序或有时在簇生里的；没有有饰章的附录在先端的瘦果。

Achene not lustrous, enclosed by marcescent perianth, Seed with endosperm; cotyledons elliptic or ovate.

没有光泽的瘦果，藏于凋而不落的花被，有胚乳的种子；子叶椭圆形或卵形。

Achene straight, compressed, enclosed by persistent perianth.

瘦果直，压缩，藏于宿存的花被。

Leaves 3-veined. Male perianth lobes 4(or 5), valvate; female perianth lobes 4, subequal, shorter than achene.

叶3脉。雄花花被裂片4(或5)，镊合状；雌花花被裂片4，近等长，短于瘦果。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。