Houjia
Houjia G.Y. Sun & Crous, in Yang et al., Persoonia 24: 33 (2010).
Index Fungorum number: IF 514397; Facesoffungi number: FoF 06975, 2 morphological species (Giraldo et al. 2017), 2 species confirmed, molecular data available for an unnamed species in the genus.
Saprobic on host. Hyphomycetous. Mycelium consisting of branched, septate, brown, roughened to warty hyphae, frequently constricted at septa. Conidiophores reduced to conidiogenous cells, intercalary, dark-brown, subcylindrical to cuneiform, thick-walled, widest at the base, apex truncate; conidiogenesis unclear, varying from holoblastic to phialidic. Conidia broadly ellipsoid to subcylindrical or obclavate, base truncate, apex obtusely rounded, transversely and obliquely septate, slightly constricted at septa, finely verruculose, medium brown, thin-walled, tapering to a cuneiform basal part with a truncate hilum (Adapted from Sun and Crous 2010).
Type species: Houjia yanglingensis G.Y. Sun & Crous
Notes: Houjia was introduced by Sun and Crous (2010) with H. yanglingensis as type species. Houjia morphologically resembles Janetia, Stanjehughesia and Linkosia. Houjia differs from Stanjehughesia in having solitary conidiogenous cells that are not grouped together (Hughes and Illman 1974). Réblová and Winka (2001) reported that Houjia cluster in the Capnodiales while the type strain of Stanjehughesia, S. hormiscioides has Umbrinosphaeria caesariata as teleomorph and form a lineage in Chaetosphaeriaceae. Houjia differs from Linkosia in having euseptate conidia, and from Janetia in having monoblastic conidiogenous cells (Wu and Zhuang 2005). Houjia is morphologically and phylogenetically a distinct genus in Phaeothecoidiellaceae.
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