The Genshin Impact Udumbara Pistils are a new special quest item hidden inside flowers in update 3.6's new desert region of Sumeru. You'll have to collect these six pistils as part of the Pale Fire world quest that you get from Zurvan after you arrive at the Vourukasha Oasis. While they aren't too hard to find, it can be a little confusing working out how to make the flowers appear.
The answer is using your newly acquired gadget-cross-comparison, Sorush. Here, I'll explain where to find the six Udumbara Pistils and how to use Sorush to actually make the flowers appear so you can grab them.
