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Draft:Gallacea scleroderma

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  • Comment: Seems notable and well sourced Ozzie10aaaa (talk) 16:05, 9 May 2025 (UTC)

Gallacea scleroderma
Gallacea Scleroderma
Scientific classification
Domain:
Eukaryota
Kingdom:
Fungi
Phylum:
Basidiomycota
Class:
Agaricomycetes
Order:
Hysterangiales
Family:
Gallaceaceae
Genus:
Gallacea
Species:

Gallacea scleroderma, also known as the velvet potato fungus, is a truffle-like basidiomycete fungus endemic to New Zealand. This species is notable for its subterranean fruiting bodies, which resemble small, velvety tubers. It belongs to the family Gallaceaceae within the order Hysterangiales.[1]

Taxonomy

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Gallacea scleromdera was circumscribed by American mycologist Curtis Gates Lloyd in 1905, The genus Gallacea was established to accommodate truffle-like fungi characterized by hypogeous fruiting bodies and thick peridia, often adapted to dry or temperate environments as the fungal species didn't fit well in the existing classification of Mesophellia, especially because of Gallacea scleroderma's unique spore producing tissue.[2]

Description

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Gallacea scleroderma produces underground (hypogeous) fruiting bodies that are roughly spherical to irregular in shape, and typically measure 2–5 cm in diameter. The outer surface (peridium) is firm, thick, and may have a velvety texture, giving rise to its common name "velvet potato fungus." When cut open gleba is brown to muddy brown in color. The spores are ellipsoid, smooth, and brown in color measuring approximately 10 - 5 micrometers (μm).[3]

Habitat

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Gallacea scleroderma is endemic to New Zealand and is primarily found in Nothofagus forests and forms ectomycorrhizal associations with a range of southern beech trees, including N. fusca, N. menziesii, N. solandri, N. cliffortioides. These associations have been documented in multiple herbarium records across New Zealand.[4]

References

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  1. ^ "velvet potato fungus (Gallacea scleroderma)". iNaturalist. Retrieved 2025-05-09.
  2. ^ Cunningham, G.H. (1924). "The development of Gallacea Scleroderma (CKE.) Lloyd". Transactions of the British Mycological Society. 9 (4): 193–200. doi:10.1016/S0007-1536(24)80024-4.
  3. ^ "VIRTUAL MYCOTA: NZ Fungi Identification: Gallacea scleroderma". virtualmycota.landcareresearch.co.nz. Retrieved 2025-05-09.
  4. ^ https://biotanz.landcareresearch.co.nz/scientific-names/1cb18ad9-36b9-11d5-9548-00d0592d548c