A bubotuber is a fictional plant in the Harry Potter series of novels by J. K. Rowling. They are thick, black, slug-like plants that extend perpendicularly to the soil. It is normal for them to squirm and they are covered in pus-filled swellings. Fictional plants are plants that have been thought up, and do not exist in real life. ... Cover of the original novel in the series, Harry Potter and the Philosophers Stone. ... J. K. Rowling Joanne Rowling, OBE (born 31 July 1965), commonly known as J.K. Rowling (pronunciation: role-ing, as in rolling stone) is a British fiction writer. ... Slugs are gastropods without shells or with very small shells (often which are internal), in contrast with snails from which they share a common ancestor, which have a prominent shell. ... Perpendicular is a geometric term that may be used as a noun or adjective. ... For the heavy metal band see Soil (band) Soil is a general term for the material that lies on the surface of the earth, supporting the growth of plants and serving as a habitat for animal life from microrganisms to small animals. ... Pus is a whitish-yellow or yellow substance that can be found in regions of bacterial infection, including superficial infections, such as pimples. ...
The bubotuber pus is described as having adverse affects when in contact with skin - dragon-hide gloves are worn. The pus looks yellowish green and smells of petrol. In a dilute form it may be used as a cure for acne. In the Goblet of Fire, Hermione gets a blackmail with bubotuber pus in it. Gasoline, as it is known in North America, or petrol, in many Commonwealth countries (sometimes also called motor spirit) is a petroleum-derived liquid mixture consisting primarily of hydrocarbons, used as fuel in internal combustion engines. ... This page refers to concentration in the chemical sense. ...
In the Half-Blood Prince, fifth chapter, Molly Weasley mentions bubotuber pus as an additional ingredient to gravy then sold by some as fake protective potion supposed to guard against You-Know-Who and the Death Eaters.
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.
This suggests that bubotuberpus is a topical treatment, but that the actual salve consists of the pus either diluted in a solution or mixed with other ingredients.
Bubotubers were first featured in Harry Potter and the Goblet of Fire, where they became one of the topics in Herbology class, and also where Hermione Granger was sent a hate letter full of bubotuberpus by an unknown person.
In a dilute form it may be used as a cure for acne.
In the Goblet of Fire, Hermione Granger receieves an envelope of BubotuberPus from an undisclosed person (possibly Pansy Parkinson) after Rita Skeeter publishes a story falsely stating that she is in a romantic relationship with Harry Potter.