Payosphaeria
minuta
W.F. Leong, Botanica Marina 33: 511 (1990)
Sordariomycetes, Subclass Hypocreomycetidae
Hypocreales
Nectriaceae
Payosphaeria W.F. Leong, Botanica Marina 33: 511 (1990)
Type species:
Payosphaeria minuta W.F. Leong, 1990. Bot. Mar., 33: 511.
Sexual morph: saprobic, Ascomata: 119-206 µm high, 115-182 µm wide, globose to flask-shaped, superficial on natural substrate, papillate, ostiolate, membranous, hyaline, subhyaline to yellowish brown and solitary to gregarious. Necks: 43.4-146.5 µm long, 24-55 µm wide, conical to elongate, cylindrical, and subhyaline to yellowish brown. Peridium: 8 um thick, 1-3 layered and composed of thin-walled elongate cells. Paraphyses: 1-1.5 µm thick, few, branched, septate and hyaline. Asci: 46-72 x 5-8 µm, 8-spored, cylindrical, pedunculate, uni-tunicate, thin-walled and developing at the base of the ascomata. Ascospores: 6-10 x 4-6 µm, 1-seriate, globose to pyriform, 1-celled, hyaline, thin-walled, smooth without appendages or gelatinous sheath, with 1 to 4 conspicuous refractive globules in the centre or at the apices of each spore. Asexual morph: Undetermined (Description based on Leong et al. (1990)).
Key references:
Chinnaraj S (1993) Manglicolous fungi from Atolls Maldives, Indian Ocean. Indian Journal of Marine Sciences 22: 141-1422.
Leong WF, Tan TK, Hyde KD, Jones EBG (1990) Payosphaeria minuta gen. et sp. nov., an ascomycete on mangrove wood. Botanica Marina. 33:511-514.
Leong WF, Tan TK, Jones EBG (1991) Fungal colonization of submerged Bruguiera cylindrica and Rhizophora apiculata wood. Botanica Marina 34: 69-76.
Raveendran K, Manimohan P (2007) Marine fungi of Kerala. Malabar Natural History Soc. 1-270, Kerala, India.
Tan TK, Leong WF, Jones EBG (1989) Succession of fungi on wood of Avicennia alba and A. lanata in Singapore. Canadian Journal Botany 67: 2686-2691.