tomentum

tomentum

1. 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；

2. Leaves simple;stipules caducous;petiole 3-6 cm, with long villous arachnoid tomentum when young, then falling off and pubescent;

单叶托叶早落幼时的叶柄3-6厘米，具长具长柔毛蛛丝状绒毛，然后脱落和具短柔毛；

3. tendrils bifurcate.Leaves simple;petiole ca. 15 cm, with sparse, brown arachnoid tomentum or glabrescent;

卷须二叉单叶叶柄约15厘米，稀的具，棕色蛛丝状绒毛或后脱落；

4. tendrils bifurcate.Leaves simple;stipules caducous;petiole 1.5-7 cm, with sparse arachnoid tomentum or subglabrate;

卷须二叉单叶托叶早落叶柄1.5-7厘米，具具稀疏蛛丝状毛或近无毛；

5. 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；广泛作为观赏植物栽培。

6. petiole 2-6 cm, with sparse, white arachnoid tomentum;

叶柄2-6厘米，具稀，白色的蛛丝状绒毛；

7. Leaves abaxially with persistent yellowish brown stellate tomentum.

叶背面具宿存的黄棕色星状的绒毛层。

8. Abaxial veins of leaves with dense white tomentum.

叶背面脉具紧密的白色的绒毛层。

9. It differs in the smaller size of all parts and rufous scabrous tomentum.

它在全株各部分较小和红棕色的粗糙的绒毛层的方面不同。

10. leaflets abaxially with dense white and arachnoid tomentum, adaxially with sparse arachnoid tomentum, lateral veins 4 or 5 pairs, veinlets inconspicuous;

小叶背面密被白色的和蛛丝状绒毛，具具稀疏蛛丝状毛，侧脉4或5对，细脉不明显的正面；

11. Branchlets terete, with longitudinal ridges, sparsely pubescent with arachnoid tomentum;

小枝圆柱状，带有纵脊，有蛛丝状绒毛的疏生短柔毛；

12. Branchlets terete, slender, with thin longitudinal ridges, with sparse arachnoid tomentum when young, eventually subglabrate;

小枝圆柱状，细长，带有薄的纵脊，幼时带有具稀疏蛛丝状毛，最终近无毛；

13. Branchlets with scurfy tomentum, intermixed with subulate scales.

小枝有皮屑似的绒毛层的，与钻形鳞片混生。

14. branchlets stout, with gray woolly tomentum when young, sometimes mixed with glands, occasionally glabrous.

小枝粗，幼时带有灰色的似羊毛的绒毛层，有时与腺混合，偶尔无毛。

15. Branchlets, petioles, abaxial leaf surface, and inflorescences with dense, persistent, white arachnoid tomentum.

小枝，叶柄，叶背面和花序具紧密的，持久，白色的蛛丝状绒毛。

16. Branchlets, leaves, and petioles with dense, persistent, white arachnoid tomentum.

小枝，离开，以及叶柄具紧密的，持久，白色的蛛丝状绒毛。

17. petiole 4-14 cm, with sparse arachnoid tomentum when young, eventually glabrate;

幼时的叶柄4-14厘米，具具稀疏蛛丝状毛，最终脱毛；

18. 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。

19. young shoots with pale rufous tomentum, eglandular.

幼枝具浅的红棕色的绒毛层，无腺体。

20. Many species had tomentum and lepidoste usually covering leaves, and some species had devoloped thorny shoots or leaves, so as to adapted to dry habitat.

很多种以叶片被毛或鳞片和枝叶刺化适应干旱生境。

21. 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。

22. Branches and leaves with branched or stellate tomentum;

枝和叶有起分枝或者星状毛；

23. levant cotton tomentum

棉花

24. divaricate strophanthus seed tomentum

羊角纽花

25. intestinal tomentum

肠绒毛

26. 1 Corolla yellowish, cream or pinkish, without tomentum; calyx, ovary, and style glandular-hairy only.

花冠淡黄，米色或者带粉红色，没有绒毛层；仅花萼，子房和花柱腺毛。

27. peduncle 2-6 cm, with sparse, white arachnoid tomentum.

花序梗2-6厘米，具稀，白色的蛛丝状绒毛。

28. Pedicel with sparse wispy rufous tomentum; corolla lobes 5; stamens 10; ovary densely glandular-hairy; style glabrous.

花梗有稀少小捆状的红棕色的绒毛层；花冠裂片5；雄蕊10；子房密被腺毛；花柱无毛

29. bracts 3;sepals 5, obovate, covered with caduceus tomentum outside;

萼片5，倒卵形，外面有脱落性茸毛；

30. Histogenesis of Intestinal Tomentum of the Mongolia Sheep's Embryo

蒙古绵羊胚胎肠绒毛的组织发生

31. Mongolian jurinea tomentum

鸡毛狗