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Tremella boraborensis
Species of fungus From Wikipedia, the free encyclopedia
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Tremella boraborensis is a species of fungus in the family Tremellaceae. It produces dark brown to black, lobed to brain-like, gelatinous basidiocarps (fruit bodies) and is parasitic on other fungi on dead branches of broad-leaved trees. It was originally described from the Society Islands and has also been recorded from Hawai'i.
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Taxonomy
Tremella boraborensis was first published in 1958 by the American mycologist Lindsay Shepherd Olive based on collections made in Tahiti and Bora Bora.[1]
Description
Fruit bodies are rubbery-gelatinous, dark brown to black, up to 6 cm (1.5 in) across, and irregularly lobed to cerebriform (brain-like). Microscopically, the basidia are tremelloid (ellipsoid, with oblique to vertical septa), 2 to 4-celled, 14.5 to 30 by 9 to 12.5 μm. The basidiospores are ellipsoid, smooth, 8 to 11 by 5 to 8 μm.[1]
Similar species
Tremella volcanagua, described from Guatemala, is similarly coloured (chocolate-brown to black) but has lobed fruit bodies and subglobose spores.[2] Several species of Phaeotremella are also similarly coloured, but have foliaceous fruit bodies with thin, seaweed-like fronds.
Habitat and distribution
Tremella boraborensis is a parasite on lignicolous fungi, but its host species is unknown. It was originally found on branches of the invasive Java plum (Syzygium cumini).[1]
The species is currently known from the Society Islands[1] and from Hawai'i.[3]
References
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