Latorua
Latorua Crous, IMA Fungus 6(1): 175 (2015).
Index Fungorum number: IF 812791; Facesoffungi number: FoF 07743, 1 morphological species (Species Fungorum 2021), 1 species with molecular data.
Saprobic on host. Sexual morph: Unknown. Asexual morph: Mycelium immersed to superficial, hyaline, branched, septate. Conidiophores reduced to conidiogenous cells. Conidiogenous cells solitary on mycelium, erect, clavate, pale brown, smooth to verruculose, polyblastic, or reduced to inconspicuous loci on hyphae. Conidia acrogenous, brown, in branched chains, apical conidium pale brown, dry, with spikey warts, septate, fusoid ellipsoidal, with obtusely rounded basal cell, and small, globose apical cell; constricted at septa, with second and third cell from base being more swollen and darker brown than the rest of conidium; conidia giving rise to secondary conidia via apical cell, which subsequently collapses after conidiogenesis, becoming cupulate; secondary conidia again forming additional conidia (adapted from Crous et al. 2015).
Type species: Latorua caligans (Bat. & H.P. Upadhyay) Crous.
Notes: Latorua was introduced by Crous (2015) with L. caligans as type species. Latorua is characterized by smooth to verruculose conidiogenous cells, brown acrogenous conidia giving rise to secondary conidia via apical cell. L. caligans was formerly described in the genus Bahusandhika as B. caligans. However, Bahusandhika is not characterized by cupulate apical cells, and conidia are not constricted at the septa and lack spikey ornamentation. Latorua is morphologically and phylogenetically a distinct and well-supported genus in its own family Latoruaceae.
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