All Determinations:

Boletus L. det. R. E. Halling

Location:

Costa Rica. San José. Pérez Zeledón (Canton). Villa Mills. Along Interamerican Highway at km 95 near Hotel La Georgina. Alt. 3000 m. (9842 ft.)

Collector(s):

R. E. Halling 7343 with Ana E. Franco-Molano, L. Umaña & M. Mata, 23 Jun 1994

Description:

Pileus 2-5 cm broad, convex to plano-convex, dry, subtomentose, becoming finely areolate with age, dark gray brown (6F7-6, like chrysenteron) fading to a pale gray brown (6D-E6-5-4), with a slight sterile margin when young. Flesh pale yellow to white, slowly bluing with exposure, up to 5 mm thick, with mild odor and taste. Tubes depressed around stipe, bright yellow when young, yellowish green with age, bluing when exposed; pores concolorous, staining likewise, up to 1 mm broad, sometimes compound. Stipe 2-5 cm long, 5-10 mm broad, ±equal, strict or curved, dry, yellow at apex, developing a fine red pruina below, with pruina becoming brown toward base, with pale yellow basal mycelium; interior yellow as in pileus when young, rhubarb red with age, bluing with exposure above. NH4 (-). Spores smooth, fusoid.

Habitat:

Montane cloud forest. Quercus costaricensis. Gregarious. In humus.

Other:

Specimen Notes: Dupllicate in USJ

Identifiers:

NY Barcode: 02072551
GUID: 3755cdd0-32e9-4e52-8f6b-fcb11baac05a

Map:

Coordinates: (9.5619, -83.7394)

Distribution:

Map all specimens of this taxon
(If georeferenced specimens are available)