Chalciporus rubinellus

Description

Chalciporus rubinellus is a bolete fungus of the family Boletaceae. It was first described in 1879 as Boletus rubinellus, and later transferred to the genus Chalciporus in 1973.

Genetically it is closely related to Chalciporus amarellus.

Common names: Purple-red Bolete.

Mushroom Identification

1. Cap

   2-4.5 cm wide, broadly conic when young, becoming convex in age; surface dry, sticky when moist, slightly velvety when young, becoming finely cracked in age, red or reddish when young, yellower in age; flesh bright yellow, not blueing when cut or bruised; odor and taste not distinctive.

2. Pore Surface

   Bright rose-red when young, becoming dull rose-red to rose-pink in age, not blueing when cut or bruised; pores angular, 1-2 per mm.

3. Stem

   2-3.5 cm long, (6-12 mm) thick, nearly equal, solid, red or reddish initially, sometimes mixed with yellow, not reticulate, lacking yellow mycelium at the base; partial veil and ring absent.

4. Spore Print

   Brown.

5. Microscopic Features

   Spores 12-15 x 3-5 μm, subfusoid, smooth, pale brown, strongly dextrinoid.

6. Fruiting

   Solitary, scattered, or in groups on the ground in mixed woods and under conifers; July-September; occasional.

Synonyms

1. Tubiporus rubinellus (Peck) S. Imai 1968

2. Boletus rubinellus Peck 1887

3. Boletus pseudorubinellus Peck (1879)

4. Suillus rubinellus (Peck) Singer (1945)

Photo sources:

Photo 1 - Author: Geoff Balme (geoff balme) (CC BY-SA 3.0)

Photo 2 - Author: Geoff Balme (geoff balme) (CC BY-SA 3.0)