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Family:

Boletaceae (Basidiomycota)

Primary Citation:

Evolutionary relationships of Heimioporus and Boletellus (Boletales), with an emphasis on Australian taxa including new species and new combinations in Aureoboletus, Hemileccinum and Xerocomus.
Austral. Syst. Bot. 28: 12. 2015

Accepted Name:

This name is currently accepted.

Type Specimens:

Specimen 1: Isotype -- R. E. Halling
Specimen 2: Paratype -- R. E. Halling
Specimen 3: Paratype -- R. E. Halling
Specimen 4: Paratype -- R. E. Halling

Description:

Diagnosis: Pileus dry, finely scaly at first, coarsely scaly with age and exposure, grayish red to ruddy red soon ochraceous tan but retaining red tones between scales and at base of scales, sometimes with yellow showing between; the scales erect at first, agglutinated and flattened with age. Flesh yellow, immediately cyanescent and this reaction masking the true color. Tubes adnexed, yellow, cyanescent, with pores concolorous and cyanescent, becoming reddish brown with age. Stipe whitish to dull ivory colored, sometimes red at the apex or rarely with some bright yellow, or rarely with some dull and pale pinkish scattered below, with white and bulbous base; interior white, with some cyanescence in apex, more slowly oxidizing a orangish brown below. Basidiospores ribbed, with cross striae seen with light microscope, (14-)14.7-17.5(-18.2) × (4.9-)5.6-8.4 µm.

Registration number: MB 811399

Ectomycorrhiza: Eucalyptus, perhaps other Myrtaceae and Allocasuarina.

Distribution: Australia (Queensland, New South Wales).

Commentary: It is quite possible that this taxon has been confused with B. emodensis and B. dissiliens in Australia. It is also possible that it has been misidentified as B. ananas. However, the scales on the pileus are coarser than in B. emodensis and the stipe flesh is white and rufescent. Although, B. dissiliens has rufescent, white flesh in the stipe, the pileus is not red and has felt-like patches. Finally, B. ananas appears almost wholly estricted to the Americas and has a pinkish-colored pileus that soon loses its color.