Colletotrichum: complex species or species ... - CBS - KNAW

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Damm et al.Fig. 9. Colletotrichum cymbidiicola (from ex-holotype strain IMI 347923). A–B. Conidiomata. C. Tips of setae. D. Bases of setae. E–F. Conidiophores. G. Tip of seta. H. Basisof seta. I–J. Conidiophores. K–P. Appressoria. Q–R. Conidia. S, W. Ascomata. T. Peridium in cross section. U–V. Ascospores. X. Apical regions of asci. Y. Paraphyses. Z–AB.Asci. A, C–F, Q, U, X–AA. from Anthriscus stem. B, G–P, R, T, V–W, AB. from SNA. S. from filter paper. A–B, S. DM, C–R, T–AB. DIC, Scale bars: A, S = 100 µm, W = 50 µm,E, T = 10 µm. Scale bar of A applies to A–B. Scale bar of E applies to C–R. Scale bar of T applies to T–V and X–AB.20
The Colletotrichum boninense species complexFig. 10. Colletotrichum dacrycarpi (from ex-holotype strain CBS 130241). A–B. Conidiomata. C–E. Conidiophores. F–G. Conidia. A, C, F. from Anthriscus stem. B, D–E, G. fromSNA. A–B. DM, C–G. DIC, Scale bars: A = 100 µm, B = 200 µm, C = 10 µm. Scale bar of C applies to C–Q.On Anthriscus stem. Conidiomata globose, apparently openingby rupture, wall cells medium brown, angular, 7–20 µm diam. Setaenot observed. Conidiophores hyaline, smooth-walled, septate,branched, to 50 µm long, developing from a cushion of mediumbrown, angular to rounded cells, 3.5–12 µm diam. Conidiogenouscells hyaline to pale brown, smooth-walled, cylindrical, surroundedby a gelatinous sheath, sometimes extending to form newconidiogenous loci, 7.5–23 × 3–5 µm, the opening 1.5–2.5 µmdiam, collarette not observed, periclinal thickening observed.Conidia hyaline, smooth-walled, aseptate, straight, cylindrical,apex round, base round, granular to guttulate content, (13–)15.5–19.5(–24) × 5–6(–6.5) µm, mean ± SD = 17.3 ± 2.0 × 5.5 ± 0.3µm, L/W ratio = 3.2.Culture characteristics: Colonies on SNA flat with entire margin,hyaline to honey-coloured, with Anthriscus stem, filter paperand medium partly covered white floccose aerial mycelium andgrey structures, orange conidial masses in the centre; reversehyaline, honey to pale salmon, with dark grey spots due toconidiomata or ascomata shining through, 10.5–12.5 mm in 7d (17.5–20 mm in 10 d). Colonies on OA flat with entire margin,rosy buff to pale flesh with a buff margin, covert with sepia toblack conidiomata or ascomata and orange conidia masses inthe centre and very sparse white aerial mycelium; reverse buffto rosy buff, 11–12.5 mm in 7 d (16–17.5 mm in 10 d). Conidiain mass orange.Material examined: New Zealand, Auckland, Wenderholm Regional Park, leafendophyte from Dacrycarpus dacrydioides (kahikatea), 16 Oct. 2009, G. Carroll,(CBS H-20705 holotype, culture ex-type CBS 130241 = ICMP 19107).Notes: There were no Colletotrichum species described fromDacrycarpus species (Podocarpaceae) prior to this study.Colletotrichum dacrycarpi does not look like a typical memberfor the genus, with its slow growth and the production of conidiawithin closed fruit-bodies with walls that rupture. These closed fruitbodieshave been observed in several other species within the C.boninense complex, and the extension of conidiogenous cells toform a new conidiogenous locus is typical of species within the C.boninense complex. Colletotrichum dacrycarpi is one of the mostbasal members of the overall clade, and forms a sister group tothe morphologically distinct C. constrictum. With all single genephylogenies, C. dacrycarpi is situated on a long branch. Blastnsearches with the ITS sequences found no close match.Colletotrichum hippeastri Yan L. Yang, Zuo Y. Liu, K.D.Hyde & L. Cai, Fungal Diversity 39: 133. 2009. Fig 11.Teleomorph not observed. On SNA. Vegetative hyphae 1–6 µmdiam, hyaline to pale brown, usually smooth-walled, sometimeswarted, septate, branched. Chlamydospores not observed.Conidiomata absent, conidiophores and setae formed directlyon hyphae. Setae medium brown, verruculose, 2–7-septate,70–200 µm long, the base cylindrical or inflated, 4–7 µm diam,the tip rounded. Conidiophores pale to medium brown, septate,www.studiesinmycology.org21
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Damm et al.Table 2. Conidia measure
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Damm et al.Table 2. (Continued).Spe
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Damm et al.Table 3. Appressoria mea
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Damm et al.Fig. 25. Colletotrichum
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Damm et al.to olivaceous grey, filt
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Damm et al.are formed directly from
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Damm et al.Arx JA von (1957). Die A
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Damm et al.Masaba DM, Waller JM (19
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114
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Weir et al.grass-inhabiting species
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Weir et al.Table 1. A list of strai
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Weir et al.Table 1. (Continued).Spe
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Weir et al.Table 2. Primers used in
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Weir et al.11ICMP 17789 Malus USA1I
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Weir et al.Kahawae cladeC. alataeC.
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Weir et al.A0.991ICMP 17905 Coffea
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Weir et al.Conidial width variation
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Weir et al.G. c.“f.sp. camelliae
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Weir et al.Fig. 10. Colletotrichum
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Weir et al.Fig. 18. Glomerella cing
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Weir et al.Specimen examined: Thail
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Weir et al.Notes: First described f
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Weir et al.gossypii var. cephalospo
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Weir et al.to utilise either citrat
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Weir et al.(ex-epitype culture CBS
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Weir et al.of this species to C. ps
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Weir et al.Table 4. Performance of
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Weir et al.Crous PW, Gams W, Stalpe
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Weir et al.Simmonds JH (1968). Type
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Cannon et al.182
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Cannon et al.In rare instances, Col
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Cannon et al.Table 1. Summary of pr
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Cannon et al.Table 1. (Continued).P
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Cannon et al.Table 2. Colletotrichu
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Cannon et al.as did those for Colle
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Cannon et al.Table 3. Authentic seq
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Cannon et al.Table 3. (Continued).S
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Cannon et al.110.74 C. cuscutae IMI
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Cannon et al.Boninense cladeThe bon
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Cannon et al.C. lindemuthianum AB08
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Cannon et al.A further important ac
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Cannon et al.Hawksworth DL (2011).
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Cannon et al.Rodríguez-Guerra R, R
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Studies in MycologyStudies in Mycol
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CBS Biodiversity SeriesNo. 11:Taxon
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Studies in Mycology (ISSN 0166-0616
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