Dendrostoma shandongense C.M. Tian & N. Jiang
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publication ID |
https://dx.doi.org/10.3897/mycokeys.48.31715 |
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persistent identifier |
https://treatment.plazi.org/id/0646227B-99BF-4118-57EC-EA1A9A49D914 |
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treatment provided by |
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scientific name |
Dendrostoma shandongense C.M. Tian & N. Jiang |
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sp. nov. |
Dendrostoma shandongense C.M. Tian & N. Jiang sp. nov. Figure 12
Diagnosis.
Dendrostoma shandongense is distinguished from its closest relative D. chinensis by the colour of conidiomata.
Holotype.
CHINA. Shandong Province: Rizhao City, Donggang District, chestnut plantation, 35°42'28"N, 119°46'23"E, 452 m a.s.l., on branches of Castanea mollissima , 14 Apr. 2017, N. Jiang (holotype: BJFC-S1567; ex-type culture: CFCC 52759).
Etymology.
Shandongense , referring to the Shandong Province in China.
Description.
Sexual morph not observed. Asexual morph: Conidiomata pycnidial, spherical, occurring separately, reddish-orange, semi-immersed in bark, 250-400 μm high, 450-650 μm diam.; wall of several layers of black textura angularis. Conidiophores reduced to conidiogenous cells. Conidiogenous cells lining the inner walls of cavity, hyaline, smooth, ampulliform, 6.5-13 × 1-2.5 μm. Conidia hyaline, aseptate, smooth, multiguttulate, thin-walled, fusoid to ellipsoid, apex acutely rounded, base truncate, (7.8 –)8.1–8.8(– 9) × (3.7 –)3.8–4.3(– 4.8) μm, l/w = (1.6 –)1.9–2.3(– 2.4) (n = 50).
Culture characters.
On PDA, cultures are white. The colonies are flat with irregular edge; texture uniform, producing sparse conidiomata irregularly distributed near the centre of the plate within 1 month at 25 °C in the dark.
Additional specimen examined.
Shandong Province: Rizhao City, Donggang District, chestnut plantation, 35°42'28"N, 119°46'23"E, 452 m a.s.l., on branches of Castanea mollissima , 14 Apr. 2017, N. Jiang, CFCC 52760 (BJFC-S1568).
Notes.
Dendrostoma shandongense and D. chinensis occasionally occur on the same branches. These species are best distinguished by the appearance of their conidiomata, which are black in Dendrostoma chinense and orange in D. shandongense .
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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