It is not entirely clear how long the Titan arum will continue to bloom, says Helmut Dalitz, scientific director of the Hohenheim Gardens: “We think that the sacrum, that is, the velvety layer of the plant, will certainly remain unfurled.

Source: https://www.thewestonforum.com/science-stuttgart-a-giant-flower-blooms-at-the-university-of-hohenheim-wikiwand/