A Bubotuber is a type of magical plant, the visible part of which is said to resemble a large, thick, black slug. This portion of the plant also squirms of its own volition. The surface of a bubotuber is covered in shiny protrusions, which when squeezed yield a thick, yellowish-green pus that has an odor akin to that of gasoline/petrol. It is unknown where the plant originates from, but is kept at the Hogwarts Greenhouses.
Bubotuber pus acts as a treatment for severe acne, but undiluted pus can affect unprotected skin in unintended ways. This suggests that bubotuber pus is a topical treatment, but that the actual salve consists of the pus either diluted in a solution or mixed with other ingredients.
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One Thousand Magical Herbs and Fungi (Herbology)
FanfikceThis version of One Thousand Herbs and Fungi includes only the main herbs and fungi, making it an easier read for beginners.