Abstract
Two new Phallus species, P.cremeo-ochraceus and P.rigidiindusiatus were discovered in southwestern and southern China, respectively. Phalluscremeo-ochraceus is morphologically characterized by its cream to ochraceous receptacle, white to very slightly pinkish indusium, white to pinkish pseudostipe and white to slightly purplish pink volva. Phallusrigidiindusiatus is characterized by a white to yellowish white receptacle, a strongly rigid indusium usually without serrated margin and smaller basidiospores than those of P.serratus. Phylogenetic positions of the two species are located in two independent lineages respectively. Detailed descriptions, color photographs, illustrations and a key to the related species are presented.
Highlights
Phallus Junius ex L. (1798) is a well-known and widespread gasteroid genus from tropical to temperate zones
Sixteen sequences were newly generated from specimens of Phallus spp. and deposited in GenBank (Table 1), all of which were collected from China
Based on the internal transcribed spacer (ITS) dataset P. cremeo-ochraceus nested in a group containing P. luteus, P. echinovolvatus, P. fuscoechinovolvatus and P. multicolor (Figure 1)
Summary
Phallus Junius ex L. (1798) is a well-known and widespread gasteroid genus from tropical to temperate zones. Indusium, should be merged into genus Phallus (Cabral et al 2012; Moreno et al 2013). Quite a lot of species with or without an indusium have been discovered under the genus of Phallus (Mohanan 2011; Li et al 2014; Rebriev et al 2014; Adamčík et al 2015; Li et al 2016; Medeiros et al 2017; Trierveiler-Pereira et al 2017; Song et al 2018; Cabral et al 2019; Li et al 2020a).
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