Boletus ochraceoluteus is a species of bolete fungus characterized by its medium to large size, ochre to golden-brown cap, and yellow to olive-yellow pores. In East and Central Texas, it typically fruits from May to October, often in association with oak and pine trees. The stem is usually slender, measuring 4-8 cm tall and 1-3 cm thick, with a reticulate pattern near the apex. The flesh is yellow to white, staining blue when bruised. Specimens found in this region tend to have a more vibrant golden cap color compared to those from other parts of North America.
Top view of a mushroom Boletus ochraceoluteus(?) in Bastrop State Park. Bastrop, Texas, May 17, 2024
Lost Pines Trail, Bastrop County, Texas, United States
Underside of a mushroom Boletus ochraceoluteus(?) in Bastrop State Park. Bastrop, Texas, May 17, 2024Lost Pines Trail, Bastrop County, Texas, United States
Section of a mushroom Boletus ochraceoluteus(?) in Bastrop State Park. Bastrop, Texas, May 17, 2024Lost Pines Trail, Bastrop County, Texas, United States
Spores (in KOH, spore print olive) of a mushroom Boletus ochraceoluteus(?) collected in Bastrop State Park. Bastrop, Texas, May 17, 2024
Spore size 12.23 - 13.36 × 4.2 - 4.5 µm, length to width ratio Q = 2.81 - 3.1.Observations of Boletus ochraceoluteus in East and Central Texas reveal distinctive characteristics. The top view of the mushroom shows its cap, which is likely to be ochre to golden in color. The underside features pores, typical of boletes. A section of the mushroom reveals its internal structure, with a stipe and pileus. Microscopic examination of spores, mounted in KOH, yields an olive-colored spore print, confirming the species' identity. These observations were made in Bastrop State Park, Texas, on May 17, 2024, suggesting that Boletus ochraceoluteus can be found in this region during late spring. The combination of these characteristics is consistent with descriptions of Boletus ochraceoluteus, providing evidence for its presence in East and Central Texas. Further study could confirm the distribution and abundance of this species in the area.
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