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– Pseudocercospora picramniae . Based on type material. a Superficial hyphae. b Solitary conidiophores arising from a superficial hypha. c Conidiophore fascicles. d Conidiophore. e Conidia. – Bar = 10 μm.
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U, Urtiaga R 2013 – New species and new records of cercosporoid hyphomycetes from Cuba and Venezuela (Part 2). Mycosphere 4(2), 174–214, Doi 10.5943/mycosphere/4/2/3 Examination of specimens of cercosporoid leaf-spotting hyphomycetes made between 1966 and 1970 in Cuba and Venezuela, now housed at K (previously deposited at IMI as "Cercospora sp."),...
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Context 1
... Freire 2002). P. mitteriana Goh & W.H. Hsieh (= Cercospora mitteriana Syd.) on Dodonaea viscosa Jacq. (subfam. Dodo- naeoideae ) in Asia is also similar, but the longer conidia are distinctly linear and possess obtuse tips (Chupp 1954, Hsieh & Goh 1990, Crous & Braun 1996). P. dodonaeae Boesew. on the same host in New Zealand has quite distinct lesions and pale brown conidia up to 150 μm long (Crous & Braun 1996). All other Pseudocercospora spp. on hosts of the Sapindaceae subgen. Sapindoideae are morphologically easily distinguishable: P. allophyli (Hansf.) Deighton on Allophylus spp. [with superficial mycelium and solitary conidiophores, fascicles lacking], P. allophylina Goh & W.H. Hsieh on Allophylus timorensis (DC.) Blume, Taiwan [conidiophores up to 500 μm long], P. allophylorum (A.K. Kar & M. Mandal) Bagyan., U. Braun & Jagad. (= P. allophylicola Deighton) on Allophylus cobbe (L.) Raeusch. and A. africanus P. Beauv. in Asia and Africa [conidiophores very long, up to 150 μm], P. deinbolliae Deighton on Deinbollia spp. in Africa [lesions distinct, conidia ± cylindrical, up to 130 μm long], P. nephelii B. Sutton & Peregrine on Nephelium lappaceum L. in Brunei [conidia ± cylindrical, verruculose, 60 – 85 μm long], P. sapindi- emarginati (T.S. Ramakr. & K. Ramakr.) U. Braun, Bagyan. & Jagad. on Sapindus spp. and Koelreuteria paniculata Laxm. [conidia 3 – 7 μm wide], P. thouiniae (F. Stevens) U. Braun & Crous on Thouinia stricta Radlk., Puerto Rico and Virgin Islands [conidiophores very long, up to 500 μm, conidia 5 – 8 μm wide], and P. zambalesica (Petr.) U. Braun on Allophylus macrostachys Radlk. [with superficial hyphae and solitary conidiophores] (Chupp 1954, Deighton 1987, Hsieh & Goh 1990, Guo & Hsieh 1995, Braun 1999, Crous & Braun 1996, Peregrine et al. 2000, Braun & Freire 2002, McTaggart et al. 2008). Cercospora sapindi F.L. Tai is a genuine species of Cercospora s. str. (Guo et al. 2005). The generic affinity of Cercospora sapindi Obreg.-Bot. on Sapindus saponaria L., known from Colomia and Panama, is unclear (type material not available), but according to olivaceous conidia this species seems to belong in Pseudocercospora . The later species differs from P. paulliniae in having quite distinct lesions, Mycosphere Doi 10.5943/mycosphere/4/2/3 conidiophores with hyaline tips and conidia with obtuse apex (Chupp 1954, Crous & Braun 2003). Furthermore, there are two comparable species on maple ( Sapindaceae , subfam. Hip- pocastanoideae ): P. acericola (Woron.) Y.L. Guo & X.J. Liu on Acer spp. in Asia and Europe [stromata absent, external hyphae with solitary conidiophores developed] and P. sphendamnophila Kirschner on Acer oblongum Wall. ex DC. (incl. A. albo-purpurascens Hayata) in Taiwan [conidia ± cylindrical, only 2 μm wide] (Chupp 1954, Guo & Hsieh 1995, Kirschner et al. 2009). Pseudocercospora picramniae U. Braun & Urtiaga, sp. nov. Fig. 12 MycoBank, MB 801963. Etymology – epithet derived from the host genus, Picramnia ...
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comb. nov., Z. smilacicola comb. nov., and Z. thaliae comb. nov.
A newly described species of Pseudocercospora from Ficus microcarpa differs from other Pseudocercospora species on Ficus spp. (Moraceae) by small fascicles of branched conidiophores hidden in the suprastomatal chamber and by the absence of leaf spots, of stromata and of external hyphae. Newly recorded fungi on other ornamental plants in Taiwan are Cercospora apii s. lat. (C. pistiae) on Pistia stratiotes, C. flagellaris, Passalora bougainvilleae, Pseudocercospora pancratii, Ps. violamaculans, and Ps. wedeliae.
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