Entoloma luteum

[Basidiomycetes > Agaricales > Entolomataceae > Entoloma . . . ]

by Michael Kuo

Entoloma luteum is like the drab, dreary little brother of Entoloma salmoneum and Entoloma murraii, both of which are brightly colored. Unlike its siblings, Entoloma luteum is a dull brownish yellow--and its cap is not as acutely conic. It is found in hardwood and mixed hardwood-conifer forests, often near moss, in eastern North America.

Description:

Ecology: Saprobic; growing alone, scattered, or in little clusters under hardwoods or mixed hardwoods and conifers; summer and fall; probably fairly widely distributed east of the Great Plains.

Cap: 1.5-4 cm; rounded-conical or bell-shaped; dry; smooth or finely silky over the center; dull brownish yellow, occasionally with a greenish tinge.

Gills: Attached to the stem; nearly distant; at first whitish or yellowish, becoming pink with maturity.

Stem: 5-10 cm long; 2-5 mm thick; more or less equal; dry; smooth or very finely hairy; whitish near the apex, elsewhere colored like the cap; basal mycelium white.

Flesh: Thin; fragile; yellowish.

Odor and Taste: Odor not distinctive; taste mild or slightly bitter.

Spore Print: Pink.

Microscopic Features: Spores 9-13 x 8-12 µ; 4-sided; angular; inamyloid. Pleurocystidia absent. Cheilocystidia clavate to cylindric; 30-130 x 7-20 µ. Pileipellis a cutis with cystidioid terminal elements. Clamp connections absent.

Nolanea lutea is a synonym.

REFERENCES: Peck, 1901. (Saccardo, 1905; Hesler, 1967; Barron, 1999; Roody, 2003; McNeil, 2006.) Herb. Kuo 09110409.

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Kuo, M. (2008, January). Entoloma luteum. Retrieved from the MushroomExpert.Com Web site: http://www.mushroomexpert.com/entoloma_luteum.html