Published April 30, 2020 | Version v1
Taxonomic treatment Open

Pseudohydnum brunneiceps Y. L. Chen, M. S. Su & L. P. Zhang 2020, sp. nov.

  • 1. Key Laboratory of State Forestry Administration on Forest Ecosystem Protection and Restoration of Poyang Lake Watershed, Jiangxi Agricultural University, 330045, Nanchang, China
  • 2. Key Laboratory of Modern Preparation of Traditional Chinese Medicine of Ministry of Education, Jiangxi University of TCM, 330004, Nanchang, China
  • 3. Jiangxi Lushan National Nature Reserve Administration, 332900, Jiujiang, China
  • 4. College of Pharmacy-Transgenic Laboratory, Hainan Medical University, Haikou 571199, China

Description

Pseudohydnum brunneiceps Y.L. Chen, M.S. Su & L.P. Zhang, sp. nov. (Figs. 2–3)

MycoBank:—MB 832937.

Etymology:— “brunneiceps ” refers to the brown pileus.

Diagnosis:—Characterized by a gelatinous, and pale yellowish brown, dark reddish brown to blackish pileus, pileal surface velutinate or mastoid, conical and white spines, and globose to broadly ellipsoidal basidiospores.

Holotype:— CHINA. Jiangxi Province: Jiujiang Country, Lushan National Nature Reserve, elevation 1100 m, 26 June 2018, L.P. Zhang (JXSB0967).

Paratype:— CHINA. Jiangxi Province: Jiujiang Country, Lushan National Nature Reserve, elevation 1100 m, 26 June 2018, L.P. Zhang (JXSB0967-1, JXSB0967-2); Fuzhou Country, Fuheyuan Nature Reserve, elevation 800 m, 09 July 2018, Y.L. Chen (JXSB1063).

Basidiomata small to medium. Pileus shell-shaped to kidney-shaped, 20–80 mm in diam, gelatinous, pileal surface velutinate or mastoid, translucent, pale yellowish-brown (5B4), dark reddish-brown (7E5–7E7) to blackish. Spines 2–5 mm long, white, conical, gelatinous. Context 1–2 mm thick, white to grayish, unchanging in color when injured, translucent, firm. Stipe lateral, 16–50 × 12–20 mm, flat-cylindrical, gelatinous, translucent, velutinate, surface concolorous to pileal surface or paler.

Basidiospores [80/4/2] (5.5–)6–8(–8.5) × (5–)5.5–7(–8) μm [Q = 1–1.33), Q m = 1.11 ± 0.08], globose to broadly ellipsoidal, smooth, yellowish brown in KOH, often germinating by repetition. Basidia 9–13 × 6–10 µm, 2-celled, occasionally 4-celled, elliptical to subglobose, thin-walled, with longitudinally cruciate-septate; sterigmata up to 25 µm long.

Habitat:—Solitary or gregarious on decaying gymnosperm wood, mainly on Cryptomeria japonica.

Distribution: Central China (Jiangxi Province).

Notes

Published as part of Chen, Yan-Liu, Su, Ming-Sheng, Zhang, Lin-Ping, Zou, Qin, Wu, Fei, Zeng, Nian-Kai & Liu, Meng, 2020, Pseudohydnum brunneiceps (Auriculariales, Basidiomycota), a new species from Central China, pp. 87-94 in Phytotaxa 441 (1) on pages 91-92, DOI: 10.11646/phytotaxa.441.1.8, http://zenodo.org/record/13872167

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Linked records

Additional details

Biodiversity

Collection code
JXSB
Event date
2018-06-26 , 2018-07-09
Family
Hydnodontaceae
Genus
Pseudohydnum
Kingdom
Fungi
Material sample ID
JXSB0967 , JXSB0967-1, JXSB0967-2 , JXSB1063
Order
Auriculariales
Phylum
Basidiomycota
Scientific name authorship
Y. L. Chen, M. S. Su & L. P. Zhang
Species
brunneiceps
Taxonomic status
sp. nov.
Taxon rank
species
Type status
holotype , paratype
Verbatim event date
2018-06-26 , 2018-07-09
Taxonomic concept label
Pseudohydnum brunneiceps Chen, Su & Zhang, 2020