A new Stemonitis species and a new record of Elaeomyxa from China
Author
Bo, Zhang
Author
Yu, Li
text
Phytotaxa
2017
2017-09-26
323
1
83
87
http://dx.doi.org/10.11646/phytotaxa.323.1.7
journal article
10.11646/phytotaxa.323.1.7
1179-3163
13696770
Elaeomyxa miyazakiensis
(Emoto) Hagelst., Mycologia
34(5):593 (1942)
Figs 3
,
4
Sporocarps
gregarious, stalked, total height
1.1–1.5 mm
.
Sporocysts
ovate or subcylindrical, bronze, blue, or violet.
Stalk
0.5–1 mm
long, up to 1/3 to 1/2 of total height,
0.2–0.4 mm
diam., irregular cylindric, often slightly swollen in the middle, brownish black, oily deposits.
Columella
absent.
Capillitium
dark brown to purplish brown in transmitted light, branched and anastomosed threads, and bearing nodules of pale orange or red wax in the axils, which are colourless at the tips.
Spore
s mass dark brown. crystal violet, warted, 7–8 μm in diam.
Specimens examined:—
CHINA
.
Liaoning Province
: Wushun City, Qingyuan Country, Dasu Forest, on the bark of a dead log,
7 September 2012
, Zhang Bo 2016121201 (HMJAU11032).
Comments:—
Approximately four
Elaeomyxa
species
have been reported worldwide (
Kirk
et al
. 2008
,
Lado 2001
,
2005
–15), of which
E. reticulospora
have reticulated spores and three species have spines or verrucose spores.
Elaeomyxa miyazakiensis
was originally described by
Emoto (1935)
as having oil granules in the peridium and expansion of the capillitium.
Elaeomyxa miyazakiensis
has some resemblance to
Diachea
, but in that genus, there are no expansions in the capillitium and the material inside is lime. This species has been recorded in
Japan
(
Emoto 1935
) and America (
Stephenson
et al
. 2001
). The Liaoning specimens have smaller spores (7–8 μm in diam.) than other specimens (8–10 μm in diam.). The Liaoning and
type
specimens had a similar habitat (dead logs).