Xerocomellus, Sutara, 2008

Pérez-Moreno, Jesús, Fuentes-García, Oralia, Martínez-Reyes, Magdalena, Martínez-González, César Ramiro, Reyes, Mayra Lagunes, Díaz-Aguilar, Irma & Ayala-Vásquez, Olivia, 2025, The genus Xerocomellus (Boletales, Boletaceae) in Mexico: a new species, a new record, and notes on its biocultural importance, Phytotaxa 689 (1), pp. 1-14 : 11

publication ID

https://doi.org/10.11646/phytotaxa.689.1.1

persistent identifier

https://treatment.plazi.org/id/03F10A3F-4D45-FFF9-FF7D-36C0FA13D5BC

treatment provided by

Felipe

scientific name

Xerocomellus
status

 

Key to the Xerocomellus View in CoL View at ENA in Mexico.

1a, Pileus View in CoL pink, vivid red, red to red brown .............................................................................................................................................2

1b Pileus View in CoL typically pale brown, brown, black-brown to black ................................................................................................................3

2a Basidiomata epigeous to aberrant, pileus deep red, vivid red, hymenophore yellowish to greyish-green, basidiospores 10.5–13.6 × 5.7–7.8 µm, elongate, truncate ....................................................................................................................................... X. carmeniae View in CoL

2b Basidiomata epigeous.........................................................................................................................................................................4

3a Pileus View in CoL brown to black brown, margin typically cream, pink to purple tones, hymenophore tubular, pores lilac, peach to salmon when young, yellow citrine at mature ........................................................................................................................ X. perezmorenoi

3b Pileus View in CoL pale brown, greyish-brown, brown-olivaceous .......................................................................................................................5

4a Basidiomata medium, pileus pink-red to vinaceous red, rosy red or brick-red, hymenophore pale yellow to dingy yellow or lemon-yellow, bruising blue quickly when damaged, basidiospores (11.1)12–15.7(16.1) × (5.3)5.8–6.9(7.9) µm, subellipsoid to subfusoid, associated with Quercus agrifolia View in CoL , distributed in the Cordillera de Baja California ..................................................... X. dryophilus View in CoL

4b Basidiomata small to medium, pileus 33– 80 mm, pink to pink-brown, with pinkish brown fibrils, context of pileus white to cream, blue when cutting, stipe of context yellow to yellow-orange rapidly stains vivid blue when exposed, basidiospores (10)13–15(16) × (4)4.5–6 µm........................................................................................................................................................................ X. bolinii View in CoL

5a Basidiospores of (12)13–17(27) × 4–5(6) µm, smooth, truncate, pores yellow to yellow-olivaceous (sensu, Snell et al. 1959), pileus medium, pale grey-yellow, pale-brown, to olive-brown, the crack pinkish-purple, pink...................................... X. truncatus View in CoL

5b Basidiospores 12–17(26) × (4)–6(7) µm, smooth, elongate, cylindrical, some truncate, pileus small to medium, pileus surface brown, greyish-brown, the crack whitish or beige to vivid red........................................................................ X. piedracanteadensis

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