Phylum:Ascomycota >> Class: Ascomycetes >>  Order: Helotiales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Lachnum brasiliense

Dasyscyphus brasiliense (Mont.) Le Gal, Discomyc. Madagascar p. 372. 1953.

Basionym: Cenangium brasiliense Montagne, Ann. Sci. Nat. Bot. sér. 4. 5: 371. 1856.

Lachnum brasiliense (Mont.) J. H. Haines & K. P. Dumont, Mycotaxon 19: 23. 1984.

 Description: Apothecia 0.5-1.0 mm, superficial, scattered to crowded on unidentified, dead woody stems, globose, short-stipitate, covered with bright white hairs not capped with crystalline matter. Disc deep cup-shaped when young, planate at maturity, remaining flat in dried specimens, buff-yellow to orange-yellow. Stipe central, cylindrical, concolorous with cup, covered with hairs, often with blue-black base. Hairs up to 138 × 2.5-3.8 μm, hyaline, evenly cylindrical with hemispherical tips, septate, forming cells 9 - 17 μm long, externally roughened with small irregular-shaped, tightly-adhering granules. Ectal excipulum composed of hyaline, textura prismatica. Medullary excipulum composed of loosely interwoven, highly-branched, hyaline textura intricata. Ascospores (32-)41-50(-62) × (2.0-)3.2-3.5(4.8) μm, fusiform, straight or curved, non-septate, hyaline, thin-walled. Asci (67.2-)88-104(-114) × (4.0-)4.8-6.4(-8.0) μm, cylindrical with a tapered base and rounded apex, J+. Paraphyses filiform, 1.6-2.4 μm at the widest point, unbranched, hyaline, thin-walled.

Taiwan, Ilan: Fushan Botanical Garden, alt. 700 m, on dead twigs, 30 Aug. 1994, M. L. Wu, 94-F7-II-T4 (TMTC). Chiayi: Nanshi Forest Road, alt. 1950 m, on dead twigs, 13 May 1993, S. Z. Chen, 931013021 (TNM F1305). Kaohsiung: Liukuei, alt. 750, on rotten wood, 12 Dec. 1993, S. Z. Chen, 9312204 (TNM F1450). Kuankao, alt. 2700 m, on dead twigs, 20 May 1995, W. N. Chou, WAN142 (TNM F3165). Taichung: Anmashan, alt. 2275 m, on branch of angiosperm, 7 June 1995, S. H. Wu, 9506-48 (TNM F3442).

 Habitat: Lignicolous. On dead twigs or rotten wood and branches of angiosperm.

Argentina, Bolivia, Brazil, Ceylon, Colombia, Costa Rica, Cuba, Ecuador, Guadeloupe, Jamaica, Madagascar, Mainland China, Mexico, Panama, Peru, Rwanda, Puerto Rico, Tanzania, Venezuela and Taiwan.


Wu, ML et al., 1998.


M. L. Wu

 Note: This is the most commonly collected Lachnum in Taiwan. The host plants are often difficult to identify because the fungus usually occurs on detached and decayed woody plant parts.