Taxon Details: Gastroboletus Lohwag
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Narratives:
Family:
Boletaceae (Basidiomycota)
Boletaceae (Basidiomycota)
Scientific Name:
Gastroboletus Lohwag
Gastroboletus Lohwag
Primary Citation:
Beih. Bot. Centralbl. 422: 273. 1926
Beih. Bot. Centralbl. 422: 273. 1926
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Diagnosis: Boletus-like, but usually hypogeous and sequestrate. Context white or yellow, sometimes cyanescent. Hymenophore distorted with tubes usually not vertically oriented. Stipe reduced or absent and then replaced by a sterile columella. Spore deposit unobtainable. Spores fusoid, smooth. Hymenial cystidia often present.
Registration number: MB17641
Type species: Gastroboletus boedijnii Lohwag, Symb. Sinica 2: 54. 1926.
Ectomycorrhiza: Pinaceae, Fagaceae, Nothofagaceae.
Distribution: Africa, China, No & So America.
Notes: The genus circumscribes taxa that have lost the ability to forcibly discharge spores. Further, the macromorphology is "reduced" in that the hymenophore is rarely exposed because the pileus does not expand and the stipe does not elongate. These taxa are typically hypogeous to suberumpent. Based on phylogenetic inferences from DNA sequences, this is a polyphyletic genus with alignments in clades of epigeous genera such as Boletus (including Xerocomus), Leccinum, and Suillus. The majority have been described from North America, one from Africa, one from Chile, and two from China.
Diagnosis: Boletus-like, but usually hypogeous and sequestrate. Context white or yellow, sometimes cyanescent. Hymenophore distorted with tubes usually not vertically oriented. Stipe reduced or absent and then replaced by a sterile columella. Spore deposit unobtainable. Spores fusoid, smooth. Hymenial cystidia often present.
Registration number: MB17641
Type species: Gastroboletus boedijnii Lohwag, Symb. Sinica 2: 54. 1926.
Ectomycorrhiza: Pinaceae, Fagaceae, Nothofagaceae.
Distribution: Africa, China, No & So America.
Notes: The genus circumscribes taxa that have lost the ability to forcibly discharge spores. Further, the macromorphology is "reduced" in that the hymenophore is rarely exposed because the pileus does not expand and the stipe does not elongate. These taxa are typically hypogeous to suberumpent. Based on phylogenetic inferences from DNA sequences, this is a polyphyletic genus with alignments in clades of epigeous genera such as Boletus (including Xerocomus), Leccinum, and Suillus. The majority have been described from North America, one from Africa, one from Chile, and two from China.