Name: Strobilurus trullisatus (Murrill) Lennox
Most Confident Observations:
Version: 5
Previous Version 

First person to use this name on MO: Nathan Wilson
Editors: Alan Rockefeller, walt sturgeon, Joseph D. Cohen


Rank: Species

Status: Accepted

Name: Strobilurus trullisatus

[#324280] Index Fungorum

[#324280] MycoBank

GSD Species Synonymy

Author: (Murrill) Lennox

Citation: Mycotaxon 9(1): 179 (1979)

Deprecated Synonyms: Strobilurus kemptonae, Strobilurus kemptoniae V.L. Wells

Misspellings: Strobilurus trullisata


Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Agaricales

Family: Physalacriaceae

Genus: Strobilurus

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Brief Description: [See More | Edit]

Strobilurus trullisatus is distinctive because of the collared pleurocystidia that abruptly thin above the collar (Redhead 1980). Strobilurus esculentus has similar thick-walled and capitate pleurocystidia but differs by the larger basidiospores and occurrence on cones of Picea. Strobilurus pachycystidiatus resembles S. trullisatus due to the small basidiospores but is distinguished by the very thick-walled pleurocystidia, habitat on cones of Pinus armandii, and geographical distribution. Both S. esculen- tus and S. pachycystidiatus lack collared pleurocystidia. Strobilurus diminutivus is closely related to S. trullisatus but differs by tiny basidiomes and noncollarete capitate pleurocystidia. Strobilurus trullisatus var. montezumae is originally described from Mexico (Singer 1973) and represents an atypical variety of S. trullisatus which has occasionally collared cystidia.

Basidiospores [40/2/2] 4–5(–6) × 2–3(–3.5) μm, [Q = (1.15–)1.60–2.00(–2.27), Qm = 1.78 ± 0.20], ellipsoid to elongate, hyaline, thin-walled, smooth, inamyloid. Basidia 13–18 × 4–4.5 μm, 4-spored, occasionally 2- spored; sterigmata ca. 3 μm long. Pleurocystidia 30–63 × 6–12 μm, subfusiform, narrowly utriform to lecythi- form, usually slightly thick-walled (ca. 1 μm thick); apices collared and subcapitate, thin-walled.

Habitat: Autumn, on cones of Pseudotsuga menziesii and Pinus ponderosa, western North America.

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