Rooting bolete (Caloboletus radicans) is a forest mushroom that has an unusual characteristic in that its fruiting bodies sometimes display root-like threads. These roots help this mushroom derive nutrients in a mutually beneficial relationship with the trees (typically oak or beech) under which it can be found during summer and fall.
Cap Diameter:
5 - 20 cm
Odor:
Strong, unpleasant fungal scent.
In This Article
Attributes
Toxicity and Edibility
Similar Species
Tips for Finding
Clean and Preserve
Common Questions
General Info About Rooting bolete
Instantly identify mushrooms with a snap
Snap a photo for instant mushroom ID and risk assessment, gaining quick insights on edible guidelines, toxicity, medical value, habitat, culture, and foraging techniques, etc.
Download the App for Free
Attributes of Rooting bolete
Cap Diameter
5 - 20 cm
Height
10 - 20 cm
Cap
Cap 8 - 30 cm across; convex to flat; dirty white, greyish-white; smooth
Cap Shape
Convex, Depressed
Cap Surfaces
Fibrillose-scaly
Stem
Stem 5 - 8 cm tall by 3 - 4 cm wide; swollen or barrel-shaped when young, becming fusiform; lemon-yellow at the top, buff below; with a whitish or pale network
Stem Shapes
Club Shaped
Stem Surfaces
With Reticulum
Flesh
Whitish to pale yellow, turning pale blue when cut
Rooting bolete thrive in deciduous woodlands, particularly under oak trees, or sometimes near beech trees. Prefers open, airy spaces with plenty of leaf litter.
Unlock the Secrets of Mushroom Varieties, Edibility, Toxicity, and Safety Tips!
Download the App for Free
Is Rooting bolete Toxic?
Rooting bolete is a large ectomycorrhizal fungus that is not considered edible due to its strongly bitter taste and the potential for severe health effects upon consumption. Instances of severe vomiting and bloody diarrhea have been recorded following ingestion of this species, making it particularly hazardous. This mushroom is found in Europe under deciduous trees such as Beech, Oak, Hornbeam, Lime, and occasionally Rockrose. Its distinguishing features include a pale buff or white cap, yellow pores, a stout stipe, and blue staining when bruised or cut.