White onion bolete
Butyriboletus roseoflavus · 玫黄黄肉牛肝菌
Occasional牛肝菌科🔥 Edible With Preparation
Sources report it requires expert processing before it can be eaten; cases of poisoning from improper handling have been recorded.
The same species can be described differently across regions and stages of maturity, and countless look-alike species cannot be told apart by eye. Never use the information on this page to judge whether a real mushroom is safe to eat.
How to Tell
- Cap grayish white to pale yellowish brown, pores pale yellow
- Stem pale yellow, faintly reddish at the base
- Grows in pine-oak forests of Yunnan
ID notes are compiled by AI from public sources, not reviewed by a mycologist, for learning only — never a basis for foraging.
Basics
- Family
- 牛肝菌科
- Hymenium
- Pores
- Grows On
- Mycorrhizal
- How Big
- 6–15 cm (cap diameter)
- Encounter Rate
- Occasional
- Habitat
- Pine-oak forests of Yunnan
Easily Confused With
Lanmao's boleteCap brown, pores yellow, bruising blue quickly
Poison boleteWhite onion bolete has a grey-white to pale brown cap and a pale yellow stem; poison bolete has a powdery yellow-brown cap.Fun Fact
Known in Yunnan as 'white onion,' it belongs to the same blue-staining bolete family, with flesh that bruises blue too; records say it must be cooked thoroughly.