Yellow root plant (Xanthorhiza apiifolia): flowering stem and floral segments. Coloured engraving by H. Weddell, c. 1815.

    Date:
    1 June 1815
    Reference:
    25850i

    Licence: Public Domain Mark

    Credit: Yellow root plant (Xanthorhiza apiifolia): flowering stem and floral segments. Coloured engraving by H. Weddell, c. 1815. Wellcome Collection. Source: Wellcome Collection.

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