Parmulariales » Parmulariaceae » Cocconia

Cocconia placenta

Cocconia placenta (Berk. & Broome) Sacc., Syll. fung. (Abellini) 8: 738 (1889).

            ≡ Rhytisma placenta Berk. & Broome, J. Linn. Soc., Bot. 14(no. 74): 131 (1873) [1875].

Index Fungorum number: IF 183885; Facesoffungi number: FoF 00563, Fig. 1

Description: see Jayasiri et al. (2016).

Material considered: see Jayasiri et al. (2016).

Fig. 1 Cocconia placenta (K (M) 409, holotype). a Specimen. b Appearance of ascostromata on host substrate. c Section through ascomata. d, e Asci. f Pseudoparaphyses. g–i Ascospores (g: stained in Congo red). Scale bars: c = 100 μm, d, e = 40 μm, f = 5 μm, g–i = 10 μm.

Importance and distribution

There are 27 Cocconia epithets in Index Fungorum (2022), but several species have been transferred to Asterina, Cycloschizon, Dianesea, Englerodothis, Hysterostomella, Ophiodothella, Phaeochorella and Polystomella. Cocconia comprises fourteen species known on Astrocaryum sp. (Arecaceae), Ochna sp. (Ochnaceae), Coccoloba laurifolia (Polygonaceae), Trichilia emetica (Meliaceae), Halleria lucida (Stilbaceae), Miconia sp. (Melastomataceae), Symplocos glauca (Symplocaceae), Olea laurifolia (Oleaceae), Sabal sp. (Arecaceae) and Artocarpus elastica (Moraceae). Cocconia is reported from Africa (Kenya), Asia (Malaysia, Taiwan), North America (Caribbean, The United States) and South America (Brazil).

 

References

Jayasiri SC, Ariyawansa HA, Jones EBG, Kang JC, Promputtha I, Bahkali AH, Hyde KD. 2016 – Towards a natural classification of Dothideomycetes: 8. The genera Cocconia, Dianesea. Endococcus and Lineostroma. Phytotaxa 255, 066–074.

Hyde KD, Jones EBG, Liu JK, Ariyawansa H et al. 2013 – Families of Dothideomycetes. Fungal Diversity 63, 1–313.

 

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