该植物茎与根茎的构造相似，均有表皮、皮层、淀粉鞘、周维纤维、六束维管束、髓及髓射线。

Having the epidermis, cortex, starch sheath, perivascular sclerenchyma, six vascular bundles, pith and pith ray, the stem is similar to the root in their structure.

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幼期的瘤状体基部表面1—10层细胞内含菌丝，长大的瘤状体形成周皮，内部形成大量维管束和髓；

There was hypha in 1- 10layers cell of surface in young tumour-body base. Grown tumour-body formed periderm, vascular bundle and a lot of pith cells.

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幼期的瘤状体基部表面1—10层细胞内含菌丝，长大的瘤状体形成周皮，内部形成大量维管束和髓；

There was hypha in 1- 10layers cell of surface in young tumour-body base. Grown tumour-body formed periderm, vascular bundle and a lot of pith cells.

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