tomentum

There were plenty of tomentum on the cultivated LEC surface.

扫描电镜观察LEC立体感强、细胞表面微绒毛丰富.

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branchlets terete, with longitudinal ridges, with sparse arachnoid tomentum when young, then falling off;

小枝圆柱状，带有纵脊，幼时带有具稀疏蛛丝状毛，然后脱落；

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peduncles with sparse arachnoid tomentum when young, then gradually falling off.

幼时的花序梗具具稀疏蛛丝状毛，然后逐渐从上落下。

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large tree native to eastern europe and asia minor having leaves with white tomentum on the under side; widely cultivated as an ornamental.

原产于欧洲东部和小亚细亚的一种高大树，其叶子下面被白色绒毛；

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34 (33) inflorescence axis pilose and with arachnoid tomentum.

花序轴具柔毛和具蛛丝状绒毛。

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stipules glabrous or with arachnoid tomentum. pedicel and calyx glabrous.

托叶无毛或有蛛丝状绒毛的。

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young shoots with a dense grayish tomentum and a few glandular hairs.

幼枝具一紧密的浅灰色的绒毛层和一些腺毛。

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histogenesis of intestinal tomentum of the mongolia sheep's embryo

蒙古绵羊胚胎肠绒毛的组织发生

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central petiolule absent to 5 mm, lateral petiolule very short, with white arachnoid tomentum, or lateral leaflets sessile;

中心小叶柄无在5毫米，侧非常短，具白色蛛丝状绒毛，或侧生小叶无梗；

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rachis stout, ca. 20 mm, with dense fawn or ferruginous tomentum.

坚固的轴，大约20毫米，具紧密的淡黄褐色或者铁锈色的绒毛层。

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branchlets terete, with conspicuous longitudinal ridges, with dense, white or brown arachnoid tomentum and purple bristles;

小枝圆柱状，带有显眼的纵脊，具紧密的，白色或者棕色的蛛丝状绒毛和紫色的硬毛；

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abaxial surface setose and sparsely tomentose, tomentum quickly lost at least towards apex, or persistent, midrib densely glandular-setose;

先端锐尖或渐尖背面具刚毛和向先端，宿存的或至少稀疏绒毛，绒毛层迅速丢失，密被具腺具刚毛；

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