''Rubroboletus sinicus'' is a

bolete {{refimprove, date=July 2020 A bolete is a type of mushroom, or fungal fruiting body. It can be identified thanks to a unique mushroom cap. The cap is clearly different from the stem. On the underside of the cap there is usually a spongy su ...

fungus in the family

Boletaceae The Boletaceae are a family of mushroom-forming fungi, primarily characterised by small pores on the spore-bearing hymenial surface (at the underside of the mushroom), instead of gills as are found in most agarics. Nearly as widely distributed ...

. It is found in China. The species was first described by Wei Fan Chiu as ''Boletus sinicus'' in 1948, and transferred to the genus ''

Tylopilus ''Tylopilus'' is a genus of over 100 species of mycorrhizal bolete fungi separated from ''Boletus''. Its best known member is the bitter bolete (''Tylopilus felleus''), the only species found in Europe. More species are found in North America, s ...

'' in 1979 by Fanglan Tai. In 2014, the genus ''

Rubroboletus ''Rubroboletus'' is a genus of bolete fungi in the family Boletaceae. It was circumscribed by Chinese mycologists in 2014 with '' Rubroboletus sinicus'' as the type species. Species are characterized by having a reddish cap surface, yellow tub ...

'' was created to accommodate this and allied species. The

fruit bodies The sporocarp (also known as fruiting body, fruit body or fruitbody) of fungi is a multicellular structure on which spore-producing structures, such as basidia or asci, are borne. The fruitbody is part of the sexual phase of a fungal life c ...

of ''R. sinicus`'' have a brown, pulvinate (cushion-shaped)

cap A cap is a flat headgear, usually with a visor. Caps have crowns that fit very close to the head. They made their first appearance as early as 3200 BC. Caps typically have a visor, or no brim at all. They are popular in casual and informal se ...

measuring in diameter that is covered with fibrous scales. The tubes on the cap underside are up to long, and stain blue when cut or injured. The pores are red and small, up to 0.5 mm across. The

flesh Flesh is any aggregation of soft tissues of an organism. Various multicellular organisms have soft tissues that may be called "flesh". In mammals, including humans, ''flesh'' encompasses muscles, fats and other loose connective tissues, but ...

is initially white to yellowish, but stains blue with injury.

Spores 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, ...

are

ellipsoid An ellipsoid is a surface that may be obtained from a sphere by deforming it by means of directional scalings, or more generally, of an affine transformation. An ellipsoid is a quadric surface; that is, a surface that may be defined as the ...

and measure 7.5–11 by 4.5–5.5

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 Uni ...

. The

type Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computations. * File type * TYPE (DOS command), a command to display contents of a file. * Ty ...

collection was obtained from a market in

Kunming Kunming (; ), also known as Yunnan-Fu, is the capital and largest city of Yunnan province, China. It is the political, economic, communications and cultural centre of the province as well as the seat of the provincial government. The headqua ...

in July, 1938.

References

External links

* Boletaceae Fungi described in 1948 Fungi of China

sinicus Sinice in the chapelle de l'ancien séminaire at Reims.Sinice of Reims or Saint Sinice was a 3rd-century French saint and Bishop of Soissons. As a priest, Sinice evangelized the regions of Soissons and Reims in the company of Sixtus of Reims, ...

Fungus species {{Boletales-stub