Caloboletus roseipes (“Rosy Foot Bolete”)

Description

Name in North American Boletes: Boletus roseipes

Genus: Caloboletus

• Genus 2: Boletus

Species: roseipes

Common Name: Rosy Foot Bolete

Tells: Pale cap flesh tastes bitter & stains blue. Blue-staining stem is clean yellow at the top. Yellow pores age brownish & stain blue.

Other Information: Brown cap fades to grayish tan & may crack w/age. Yellow stem often has reddish netting, & both darkens & takes on red tints going down from the yellow band on top. An eastern equivalent to Calob. rubripes.

Science Notes: DNA testing moved this mushroom from Boletus to a newly erected genus called “Caloboletus”.

Edibility: Avoid. Too bitter to eat.

CHEMICAL TESTS:

• NH4OH (Ammonia): Cap skin and flesh both turn olive-green (skin darker). Pores stain rusty orange.
• KOH: Cap skin turns dark rusty-orange. Cap flesh does not react. Pores stain rusty orange.
• FeSO4 (Iron Salts): Cap skin turns rusty orange. Cap flesh does not react. Pores stain rusty orange.

Links:

• Mushroom Expert
• Mushroom Observer
• Wikipedia
• Google Image Search

0

0

149

192