Description
Name in North American Boletes: Boletus rainisii
Genus: Xerocomellus
- Genus 2: Cyanoboletus
- Genus 3: Boletus
Species: rainisiae
- Species 2: rainisii
Common Name:
Tells: Yellow pores & stem stain green, resolving brownish. Dark cap stains greenish-black, growing paler as it cracks & fissures with age.
Other Information: Yellow cap flesh blues instantly. Yellow stem flesh (red by the base) does too. Bright yellow stem has red tints near the base. Young specimens have a distinctly club-shaped stem (thicker at the top), but that evens out with age. Can be confused with Cyanoboletus cyaneitinctus, but that has does not instantly stain greenish-black.
Science Notes: DNA testing moved this mushroom from Boletus to a newly erected genus called Cyanodoboletus, and then on to Xerocomellus.
Edibility: Unknown, but the other species in this genus are good.
CHEMICAL TESTS:
- NH4OH (Ammonia): No data.
- KOH: No data.
- FeSO4 (Iron Salts): No data.
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