Bot. Also 4–5 (8) tapsus, 8 thapsos. [med.L., a. Gr. θάψος a plant used for dyeing yellow (Dioscor.).] An old name of the genus Verbascum, esp. of V. Thapsus, the great mullein.

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a. 1387.  Sinon. Barthol., 41/2. Tapsus barbastus, flosmus idem.

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1578.  Lyte, Dodoens, I. lxxxi. 119. Mulleyn is called … in Shoppes Tapsus Barbatus.

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1718.  Rowe, trans. Lucan, IX. 1566. The Gummy Larch-Tree and the Thapsos there, Wound-wort and Maiden-weed perfume the Air.

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