| Major Groups > Gilled Mushrooms > Pale-Spored > Oysters > Hohenbuehelia > Hohenbuehelia petaloides |
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Hohenbuehelia petaloides [ Basidiomycetes > Agaricales > Pleurotaceae > Hohenbuehelia ... ] by Michael Kuo Hohenbuehelia petaloides is distinctively shaped; its "petaloid" habit often makes it look like a shoehorn with gills, or a rolled-up funnel. Other identifying features include its fairly crowded whitish gills, a white spore print, mealy odor and taste--and, under the microscope, gorgeous "metuloids" (thick-walled pleurocystidia). It often appears in urban or semi-urban areas and is frequently associated with woody debris (though it does not usually grow directly from dead wood) or cultivated soil. Lentinellus cochleatus can appear very similar, but it grows directly from wood and features serrated gill edges and more of a stem; additionally, its microscopic details are very different. Description: Ecology: Saprobic; growing alone, gregariously, or in clusters, usually on the ground; often in the vicinity of woody debris; often found in gardens, parks, lawns (etc.)--but also found in woods; summer and fall (or over winter in warmer climates); widely distributed in North America. Cap: 2-7 cm across; shoehorn-shaped, or rolled into a funnel shape; rubbery and moist; fairly smooth, but sometimes with fine white fuzz in places; beige to grayish brown or yellow-brown. Gills: Running down the stem; close or crowded; whitish, becoming dull yellowish. Stem: Present but hard to define precisely, since it is continuous with the cap; brownish above, white and fuzzy below. Flesh: Whitish; rubbery. Odor and Taste: Mealy. Chemical Reactions: KOH on cap surface negative. Spore Print: White. Microscopic Features: Spores 5-9 x 3-5 µ; elliptical; smooth; inamyloid. Cheilocystidia fusoid to lecythiform or capitate; to about 35 x 8 µ. Pleurocystidia ("metuloids") abundant; lanceolate to fusoid; to about 100 x 20 µ; with thick walls; developing apical encrustations. Pileipellis a thin cutis-like tangle with scattered, embedded pileocystidia above a thick zone of gelatinized hyphae. Clamp connections present. REFERENCES: (Bulliard, 1780) Schulzer, 1866. (Fries, 1821; Saccardo, 1887; Kauffman, 1918 [Pleurotus spathulatus]; Arora, 1986; Thorn & Barron, 1986; Breitenbach & Kränzlin, 1991; Lincoff, 1992; Metzler & Metzler, 1992; Roody, 2003.) Herb. Kuo 05280707. Hohenbuehelia geogenia is a synonym; Hohenbuehelia "petalodes" (without the i) is an alternate spelling. Further Online Information: Hohenbuehelia petalodes in Thorn & Barron (1986) |
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Cite this page as: Kuo, M. (2009, April). Hohenbuehelia petaloides. Retrieved from the MushroomExpert.Com Web site: http://www.mushroomexpert.com/hohenbuehelia_petaloides.html |