''Buchwaldoboletus acaulis'' is a species of bolete fungus in the family Boletaceae native to

Lesser Antilles The Lesser Antilles ( es, link=no, Antillas Menores; french: link=no, Petites Antilles; pap, Antias Menor; nl, Kleine Antillen) are a group of islands in the Caribbean Sea. Most of them are part of a long, partially volcanic island arc betwe ...

and

Martinique Martinique ( , ; gcf, label=Martinican Creole, Matinik or ; Kalinago: or ) is an island and an overseas department/region and single territorial collectivity of France. An integral part of the French Republic, Martinique is located in th ...

. Found on wood in xero-mesophytic forests, it has a convex bright yellow cap, sulfur-yellow pores and stipe, and a brown spore print. Its edibility is unknown.

Taxonomy and naming

Originally described by David Pegler in 1983 as ''Pulveroboletus acaulis'', it was given its current name by

Ernst Both Ernst is both a surname and a given name, the German, Dutch, and Scandinavian form of Ernest. Notable people with the name include: Surname * Adolf Ernst (1832–1899) German botanist known by the author abbreviation "Ernst" * Anton Ernst (1975-) ...

and

Beatriz Ortiz-Santana Beatriz (, ) is a Spanish, Galician and Portuguese female first name. It corresponds to the Latin name Beatrix and the English and Italian name Beatrice. The name in Latin means 'brings joy' and in other languages also means 'she who brings othe ...

in ''A preliminary survey of the genus Buchwaldoboletus'', published in „Bulletin of the Buffalo Society of Natural Sciences” in 2011.

Description

The cap is bright yellow, convex, and measures in diameter. The flesh may stain blue where it has been cut or bruised. The pores are small, and the pore surface is sulphur-yellow to pinkish-brown in maturity, staining bluish with injury. The stipe is rudimentary, lateral to very excentric, same color as the cap. There is a yellow

mycelium Mycelium (plural mycelia) is a root-like structure of a fungus consisting of a mass of branching, thread-like hyphae. Fungal colonies composed of mycelium are found in and on soil and many other substrate (biology), substrates. A typical single ...

at the stipe base. The mushroom produces a brown spore print.

Spore In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, f ...

s measure 5.5–8 ×2.5–3.5

µm The micrometre ( international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is a unit of length in the International System of Unit ...

References

External links

* {{Taxonbar, from=Q9181197 Boletaceae Fungi described in 1983 Fungi of the Caribbean