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Species



MB514710
Xenocylindrosporium kirstenboschensis Crous & Verkley 2009  
Bibliography:Crous, P.W.; Verkley, G.J.M., 2009, Fungal Planet 44: (more info)
Year of publication:2009
Status of the name:basionym; legitimate
MycoBank's opinion:currently used
Classification:Fungi, Anamorphic fungi, Xenocylindrosporium
Obligate synonym(s):none
Morphic status:Anamorph (teleomorph connection(s) unknown or not recorded)
Taxonomic synonym(s):
Ordered by epithet name
none
Descriptions:
Latin diagnosis

Conidiomata acervulata, ad 300 µm diam. Conidiophora hyalina, laevia, subcylindrica, ramosa, 2-4-septata, 10-30 × 2-3 µm. Cellulae conidiogenae hyalinae, laeviae, ampulliformes vel subcylindricae, 5-15 × 2-3 µm. Conidia solitaria, hyalina, laevia, curvata, in medio maxime lata, apice attenuato, acute rotundato, basi truncata, 0-1-septata, (17-)22-27(-32) × (1.5-)2(-3) µm.



Original description

Leaf spots grey-brown, epiphyllous, irregular, 2-5 mm diam, coalescing. Conidiomata on host immersed, black, opening by irregular rupture, acervuloid, up to 300 µm diam; in culture on 2 % malt extract agar (MEA; Oxoid) similar, but pale brown; wall consisting of 3-4 layers of pale brown textura angularis; opening by means of irregular rupture. Conidiophores hyaline, smooth, subcylindrical, branched, 2-4-septate, 10-30 x 2-3 µm; or reduced to ampulliform conidiogenous cells. Conidiogenous cells hyaline, smooth, ampulliform to subcylindrical, terminal or lateral on septate conidiophores, 5-15 x 2-3 µm; monophialidic with minute periclinal thickening. Conidia solitary, hyaline, smooth, curved, widest in middle, tapering to acutely rounded apex and truncate base, 0-1-septate, (17-)22-27(-32) x (1.5-)2(-3) µm.



Etymology

Named after Kirstenbosch Botanical Gardens, South Africa, where this fungus was collected.

Date entered:24/11/2009 11:52:25
Date of release:07/01/2010 09:01:55
Entered by:Mycobank administration
Illustration #1:



Description: Leaf spot with black, immersed conidiomata

Illustration #2:



Description: Conidiophores giving rise to curved conidia

Illustration #3:



Description: Single conidiogenous cell and curved conidia

Type specimen


Herbarium number:CBS H-20346 (holotype)
Collected by:Crous, P.W., 2009
Substrate:Encaphalartos friderici-guilielmi, leaf
Location:South Africa, Western Cape province, Kirstenbosch Botanical Garden