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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

Achene sessile; branchlets and petiole glabrous.

瘦果无柄;小枝和叶柄短无毛。

Stems roundly 6-angled; leaf blade oblong or broadly ovate; achene ca.

茎彻底地6棱;叶片长圆形或宽卵形;大约2.8毫米的瘦果 7 P 。

Flowers inserted on discoid or concave, fleshy receptacle; achene with crested or U-shaped appendix at apex.

花着生于盘状的或凹,肉质的花托;瘦果具脊或U形附属物在先端 7 Lecanthus 假楼梯草属

Aggregate fruit globose or ovoid; achenes bilaterally compressed, with 2 or 3 longitudinal thin ribs on each side; style persistent, straight or curved.

聚合果球状或卵球形;瘦果两侧压缩,带有2或3纵向薄棱在每边;花柱宿存,直或弯曲。

Aggregate fruit terete, achene with a robust, rostrate, persistent style at apex and 2 tubercles near base

聚合果圆柱状,瘦果具一粗壮,具喙,宿存花柱在先端和2小瘤近基部 38 Ceratocephala 角果毛茛属

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

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