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| | Herbal Encyclopedia - G |
 | | The root is smaller, tortuous, and of a uniform yellowish-brown colour, finely wrinkled on the surface. |
 | | Both rhizome and root in transverse section exhibit a distinctly radiate appearance, the thin cortex or bark enclosing a large, pale, yellowish-white wood, which consists of narrow bundles with small pores, alternating with straight, whitish, medullary rays about six or eight cells in thickness. |
 | | In the case of the rhizome, a small pith, frequently divided into four nearly equal parts, is also present, particularly in smaller and younger pieces. |
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