Boletales » Boletaceae


Jimtrappea T.W. Henkel, M.E. Sm. & Aime, in Smith et al., IMA Fungus 6(2): 305 (2015)


Etymology: The genus is named in honour of Dr. James JimTrappe, the worlds foremost authority on sequestrate fungi.


Diagnosis: Distinguished from other Boletaceae by a combination of the following characters: Basidiomata hypogeous to partially emergent, sequestrate, subglobose to ovate. Peridium off-white, unchanging, glabrous, thin. Gleba variously pink at maturity, unchanging, moist, loculate. Columella short, pad-like, with short sterile veins. Basidiospores statismosporic, subfusiform, smooth, pinkish to reddish brown, inamyloid, pedicellate. Basidia clavate. Hymenial cystidia cylindrical, lanceolate or ventricose, hyaline in KOH, dextrinoid in Melzers solution. Clamp connections absent.


Index Fungorum number: IF812359


Type species: Jimtrappea guyanensis T.W. Henkel, M.E. Sm. & Aime 2015, in Smith et al., IMA Fungus 6(2): 305 (2015)


Key reference:

Smith, M. E., Amses, K. R., Elliott, T. F., Obase, K., Aime, M. C., & Henkel, T. W. (2015). New sequestrate fungi from Guyana: Jimtrappea guyanensis gen. sp. nov., Castellanea pakaraimophila gen. sp. nov., and Costatisporus cyanescens gen. sp. nov. (Boletaceae, Boletales). IMA fungus, 6(2), 297317.


About Basidiomycota

The webpage Basidiomycota provides an up-to-date classification and account of all genera of the phylum Basidiomycota.


Supported by 

Thailand Science Research and Innovation (TSRI)

project entitled:

"Macrofungi diversity research from the Lancang-Mekong Watershed and surrounding areas"

(Grant No. DBG6280009)


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  • The State Key Lab of Mycology, Institute of Microbiology, Chinese Academy of Sciences, No.3 1st Beichen West Rd., Chaoyang District, Beijing 100101, P.R. China

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