著者
Akihiko Kinoshita Kohei Yamamoto Toshiyuki Tainaka Toshifumi Handa Akiyoshi Yamada
出版者
The Mycological Society of Japan
雑誌
Mycoscience (ISSN:13403540)
巻号頁・発行日
vol.63, no.1, pp.26-32, 2022-01-20 (Released:2022-01-20)
参考文献数
24

We describe a new truffle species, Tuber torulosum, based on molecular and morphological analyses. This species forms a single globose ascospore per ascus, pale yellow in color, as do Japanese T. flavidosporum and Chinese T. turmericum and T. xanthomonosporum in the Japonicum clade of the Tuber phylogeny. However, it can be distinguished from them microscopically by its whitish tomentose mycelium that partially covers the ascoma surface and the mesh size of its spore ornamentation. Cystidia are moniliform and yellowish to reddish. Molecular phylogenetic analysis using the internal transcribed spacer and partial large subunit regions of ribosomal DNA also supports T. torulosum as a distinct species. On the basis of our results, we provide a key to species in the Japonicum clade.
著者
Kenji Suetsugu Akihiko Kinoshita Kensei Akai
出版者
The Japanese Society for Plant Systematics
雑誌
Acta Phytotaxonomica et Geobotanica (ISSN:13467565)
巻号頁・発行日
vol.70, no.1, pp.41-47, 2019-02-28 (Released:2019-03-09)

Sciaphila yakushimensis var. okinawensis from Okinawa and Ishigaki Islands, Japan, is described as new. It can be distinguished from S. yakushimensis var. yakushimensis by the morphology of the staminate and carpellate flowers.