Taxon Details: Boletus lychnipes Halling & G.M.Muell.
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Family:

Boletaceae (Basidiomycota)
Scientific Name:

Boletus lychnipes Halling & G.M.Muell.
Primary Citation:

New boletes from Costa Rica.
Mycologia 91: 894. 1999
Accepted Name:

This name is currently accepted.
Type Specimens:

Specimen 1: Isotype -- R. E. Halling
Specimen 2: Paratype -- R. E. Halling
Description:

Latin diagnosis: Pileus siccus, brunneus, margine sterili. Contextus flavidus pallidus immutabilis vel lazulinus. Sapor mitis. Hymenophorum tubulosum, griseofulvum tum olivaceum, immutabile, poris flavis pallidis, brunneis, transmutantes. Stipes ±glaber, flavissimuss, si contusus cinnamomeo-brunneus, ad basim albam si contusam roseam tum salmoneam. Basidiosporae levae, inamylodeae. Pseuodocystidia in hymenio prasentibus, mucronata, aurea. Fibulae nullae.

Type: COSTA RICA. CARTAGO: Estrella, ±5 km E of km 31 of Interamerican Highway, near town of Estrella, 9°46'4"N, 83°57'19"W, 1717 m, 21 Jul 1993, Halling 7043 (HOLOTYPE: USJ, ISOTYPE: NY).

Habit, habitat, and distribution: Gregarious on soil under either Quercus oocarpa Liebm. or Q. insignis Mart. and Gal. Currently only known from one site in the northern Cordillera Talamanca.

Commentary: Boletus lychnipes superficially resembles B. auripes Peck in overall coloration, but the latter taxon has a conspicuously reticulate stipe over the upper half and doesn't stain brown or salmon pink on the stipe. The conspicuously sterile margin and prominent pseudocystidia are also characteristic for B. lychnipes.