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The Neotropical Entoloma dragonosporum (Agaricales, Basidiomycota): New record from Northeast Brazil

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Felipe Wartchow at Universeidade Federal da Paraíba (UFPB)
Felipe Wartchow
  • Universeidade Federal da Paraíba (UFPB)
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93
The neotropical Entoloma dragonosporum ...
BIOCIÊNCIAS, Porto Alegre, v. 14, n. 1, p. 93-94, jun. 2006
N
OTAS
C
IENTÍFICAS
E
R
ESENHAS
THE NEOTROPICAL Entoloma dragonosporum (AGARICALES,
BASIDIOMYCOTA): NEW RECORD FROM NORTHEAST BRAZIL
The species of the genus Entoloma (Fr.) P. Kumm.
are mushrooms easily recognized in the order
Agaricales by the pink spore print and the cuboid to
angular basidiospores (NOORDELOOS, 1981; SINGER,
1986). In Brazil, 56 species of this genus are currently
known (PUTZKE; PUTZKE, 2000), although de
Meijer (2001) reported 76 species, most of them yet
unidentified, only from Paraná State. In Northeast
Brazil, only Entoloma spadix Hesler (SINGER, 1973
as Rhodophyllus fraternus Singer; HORAK, 1977b)
and E. vitellinum (Singer) E. Horak from the Pernam-
buco State (HORAK, 1977b); E. cantharelluloides
(Singer) E. Horak from the State of Paraíba (SINGER,
1965; HORAK, 1977b) and E. cyathiforme Dennis
from the State of Bahia (HORAK, 1982) have
previously been reported.
In this note, Entoloma dragonosporum, previously
unknown from the northeastern region of Brazil is
reported for the first time.
This species was collected at the forest of
the Gurjaú Complex, municipality of Cabo de
Santo Agostinho, in Pernambuco State. The usual
methodology for the analysis of agarics was followed
(SINGER, 1986), and the identification of the
collection was based in Horak (1977b) and Putzke and
Putzke (2000). The specimen was deposited at the
Herbarium of the Department of Mycology of the
“Universidade Federal de Pernambuco” (URM).
Entoloma dragonosporum (Singer) E. Horak,
Sydowia v. 29, p. 292, 1977
= Rhodophyllus dragonosporus Singer, Atas Inst.
Micol. v. 2, p. 46. 1965.
(Fig. 1-4)
Pileus 7 mm diam. (10 mm high), conic to campanulate
with a long acute papilla; brown, surface smooth,
glabrous, margin slightly sulcate, context thin and
delicate. Lamellae adnexed, cream to light pink,
descendant, membranous, sub-distant. Stipe 93 × 3 mm,
central, cylindrical, pale cream, glabrous, smooth.
Basidiospores 15-25 × 12.5-24 µm, cuboid, with
corners elongated into 4 or 5 long finger-like
projections, moderately thick walled, smooth, pinkish.
Basidia 36-45 × 22.5-27.5 µm, rather stout, 4
sterigmata. Pleurocystidia absent. Cheilocystidia
40-100 × 15-30 µm, clavate, fusoid to pyriform, thin
walled, hyaline. Pileipellis with parallel or radial and
repent hyphae 6-10 mm diam., with a pale-brown
cellular content. Hyphae clamped.
Habitat: on rotten wood of an unidentified
angiosperm, in tropical forest.
Material examined: BRAZIL. Pernambuco, Cabo de Santo
Agostinho, Gurjaú Complex (“Mata do Xangô”), 22/VI/2004, F.
Wartchow 09/2004 (URM 78668).
Remarks: this mushroom is easily recognized
by the shape of the basidiome and the large cuboid
basidiospores, with 4-6 finger-like projections
(HORAK, 1977a), but in the original diagnosis,
cheilocystidia were not reported (SINGER, 1965).
Entoloma dragonosporum was originally described on
soil for Bolivian Amazon (SINGER, 1965), and later
found in the State of Amazonas, in North Brazil, on
rotten wood (HORAK, 1982) and on soil among litter
(SINGER; AGUIAR, 1986). More recently, this
species also was reported from Paraná (DE MEIJER,
2001) and in the Caribbean, on the island of Puerto
Rico (see Great Antilles website).
ACKNOWLEDGEMENT
The author thanks to Dr. Leonor C. Maia for technical support,
M.Sc. Vagner G. Cortez and Dr. Timothy J. Baroni for valuable
suggestions, M.Sc. Vagner G. Cortez for preparation of the drawings
and CNPq for financial support.
REFERENCES
BARONI, T.J. Basidiomycetes of the Great Antilles. Available
at: <http://www.cortland.edu/nsf/ga.html>. Access in 20 set.
2005.
HORAK, E. Additions to “on cuboid-spored species of
Entoloma”. Sydowia, Horn, v. 29, n. 1-6, p. 289-299, 1977a.
HORAK, E. Entoloma in South America. I. Sydowia, Horn,
v. 30, n. 1-6, p. 40-111, 1977b.
94 WARTCHOW, F.
BIOCIÊNCIAS, Porto Alegre, v. 14, n. 1, p. 93-94, jun. 2006
HORAK, E. Entoloma in South America. II. Sydowia, Horn,
v. 35, p. 75-99, 1982.
DE MEIJER, A.A.R. Mycological work in the Brazilian state of
Paraná. Nova Hedwigia, Berlin/Stuttgart, v. 72, n. 1-2, p. 105-159,
2001.
NOORDELOOS, M.E. Introduction to the taxonomy of the genus
Entoloma sensu lato (Agaricales). Persoonia, Leiden, v. 11, n. 2,
p. 121-151, 1981.
PUTZKE, J; PUTZKE, M.T.L. Revisão da família
Entolomataceae (Basidiomycota, Agaricales) no Brasil. I. Cha-
ves de identificação e lista de espécies. Caderno de Pesquisa
Série Botânica, Santa Cruz do Sul, v. 12, n. 1-2, p. 29-47, 2000.
Recebido em: 30.11.2005; aceito em: 19.06.2006.
1 Universidade Federal de Pernambuco, Departamento de Micologia, Av. Prof. Nelson Chaves, s/nº, CEP 50670-901, Recife, PE, Brazil.
<fwartchow@yahoo.com.br>.
Figs. 1-4. Entoloma dragonosporum 1. Basidiome; 2. Basidiospores; 3. Basidia; 4. Cheilocystidia.
Scale Bar: 1 = 10 mm; 2 = 15 mm; 3, 4 = 22 µm.
SINGER, R. Interesting and new agarics from Brazil. Atas do
Instituto de Micologia da Universidade do Recife, Recife, v. 2,
p. 15-47, 1965.
SINGER, R. Diagnoses Fungorum Novorum Agaricalium III.
Beiheft zur Sydowia, Horn, v. 7, p. 1-106, 1973.
SINGER, R. The Agaricales in Modern Taxonomy. 4. ed.
Koenigstein: Koeltz Scientific Books, 1986. 981 p.
SINGER, R.; AGUIAR, I. J. A. Litter decomposing and ecto-
mycorrhizal Basidiomycetes in an Igapó Forest. Plant Systematics
and Evolution, New York, v. 153, n. 1-2, p. 107-117, 1986.
Felipe Wartchow1
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... There are 14 species with cuboidal basidiospores cited for Brazil: Entoloma caribaeum (Pegler) Courtec. & Fiard (Coimbra et al. 2013), Entoloma dragonosporum (Singer) E. Horak (Singer 1965, Horak 1982, Singer & Aguiar 1986, Meijer 2001, 2006, Wartchow 2006, Coimbra et al. 2013), Entoloma lycopersicum E. Horak & Singer (Horak 1982), Entoloma murrayi (Berk. & M.A. Curtis) Sacc. ...
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... Considering these revisions, at least 57 species were known in Brazil (Putzke and Putzke 2000). Recently, de Meijer (2006), Wartchow (2006), Karstedt et al. (2007, as Pouzarella Mazzer) and Karstedt & Capelari [2010 as Calliderma (Romagn.) Largent, 2013 as Inocephalus (Noordel.) ...
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A new material collected and the holotype of Entoloma azureoviride were studied. The analysis of these specimens showed some discrepancies with the protologue which are discussed here. The diagnostic characters of this species are the following: fibrillose pileus, blue lamellae, cuboid spores, and abundant oleiferous hyphae in the lamellae trama. It was also observed a peculiar pseudoparenchymatous pileus trama consisting of inflated elements up to 25 µm in diam., that become more elongated towards the hymenium. A comparison of E. azureoviride with other species with blue tints in the subgenus Inocephalus and a discussion about its morphological peculiarity are provided.
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Additions to "On cuboid-spored species of Entoloma" *)
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Litter decomposing and ectomycorrhizal Basidiomycetes in an Igapó Forest
  • Jan 1965
  • 15-47
  • R Interesting
  • R Brazil
  • I J A Aguiar
SINGER, R. Interesting and new agarics from Brazil. Atas do Instituto de Micologia da Universidade do Recife, Recife, v. 2, p. 15-47, 1965. SINGER, R. Diagnoses Fungorum Novorum Agaricalium III. Beiheft zur Sydowia, Horn, v. 7, p. 1-106, 1973. SINGER, R. The Agaricales in Modern Taxonomy. 4. ed. Koenigstein: Koeltz Scientific Books, 1986. 981 p. SINGER, R.; AGUIAR, I. J. A. Litter decomposing and ectomycorrhizal Basidiomycetes in an Igapó Forest. Plant Systematics and Evolution, New York, v. 153, n. 1-2, p. 107-117, 1986.
Basidiomycetes of the Great Antilles
  • T J Baroni
BARONI, T.J. Basidiomycetes of the Great Antilles. Available at: <http://www.cortland.edu/nsf/ga.html>. Access in 20 set.