Sarcoscypha dudleyi

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Sarcoscypha dudleyi
Sarcoscypha dudleyi 74724.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Pezizomycetes
Order: Pezizales
Family: Sarcoscyphaceae
Genus: Sarcoscypha
Species:
S. dudleyi
Binomial name
Sarcoscypha dudleyi
(Peck) Baral (1984)
Synonyms [1]
  • Peziza dudleyi Peck (1894)
  • Molliardiomyces dudleyiF.A.Harr. (1990)
Sarcoscypha dudleyi
Information icon.svg
Smooth icon.pngSmooth hymenium
No cap icon.svgNo distinct cap
NA cap icon.svg Hymenium attachment is irregular or not applicable
Bare stipe icon.svg Stipe is bare
Saprotrophic fungus.svgEcology is saprotrophic
Mycomorphbox Question.pngEdibility is unknown

Sarcoscypha dudleyi, commonly known as the crimson cup or the scarlet cup, is a species of fungus in the family Sarcoscyphaceae of the order Pezizales. It has been frequently confused with Sarcoscypha coccinea , but can be distinguished from this and other related species in Sarcoscypha by differences in microscopic characteristics, such as the presence and number of oil droplets in the spores. An imperfect form of the fungus, lacking a sexually reproductive stage in its life cycle, is classified as the species Molliardiomyces dudleyi.

Contents

In addition to its main distribution in the central to eastern United States, the fungus has also been recorded once in Bulgaria.

Taxonomy

The species was first collected by the botanist William Russell Dudley in October 1888, in Tompkins County, New York. [2] American mycologist Charles Horton Peck, who described it in the 1894 Annual Report of the New York State Botanist, named it Peziza Dudleyi after its discoverer. Peck noted a physical resemblance to P. aurantia (now known as Aleuria aurantia ) and P. inaequalis, and said that it could be distinguished from those species by its yellow hymenium and larger spores. [3] Several mycologists have considered the species to be synonymous with S. coccinea. [4] [5] [6] However, as was later pointed out by Harrington (1990), "the importance of fresh material for species diagnosis, especially for noting ascospore guttulation, cannot be overstated. Although I had examined material (dried herbarium specimens) from western North America I was not prepared to recognize that group as a species distinct from the two, large eastern North American species until I saw fresh (living) material." [2] As is the case with many fungi, microscopic differences between similar species can only be accurately determined by examining fresh material. Harrington analyzed herbarium specimens and fresh material of North American specimens of "S. coccinea", and found that both S. dudleyi and S. austriaca were commonly misidentified. These results echoed a similar 1984 analysis of European specimens, performed by Hans-Otto Baral. [7]

S. coccinea and four other Sarcoscypha spp.

S. korfiana

S. occidentalis

S. mesocyatha

S. dudleyi

S. emarginata

S. hosoyae

Phylogeny and relationships of S. dudleyi and related species based on ITS sequences and morphological characteristics. [8]

The phylogenetic relationships in the genus Sarcoscypha were analyzed by Francis Harrington in the late 1990s. [8] [9] The cladistic analysis combined comparison of sequences from the internal transcribed spacer in the non-functional RNA with fifteen traditional morphological characters, such as spore features, fruit body shape, and degree of hair curliness. Based on this analysis, S. dudleyi is part of a clade of evolutionarily related taxa that includes the species S. occidentalis , S. emarginata , S. hosoyae , S. korfiana and S. mesocyatha . [8] All of these species contain large oil droplets in their spores, in contrast to the other major clade of Sarcoscypha (containing the type species S. coccinea), characterized by having smaller, more numerous droplets. [9]

Sarcoscypha dudleyi is commonly known as the "crimson cup" or the "scarlet cup", [10] sharing the latter name with S. coccinea. [11]

Description

Fruit body growing on wood Sarcoscypha dudleyi 65010.jpg
Fruit body growing on wood

The fruit body is 2–6 cm (342+14 in) broad and shallowly to deeply cup-shaped. The exterior surface of the fruit body is covered with whitish, matted "hairs", while the interior fertile surface of the cup (the hymenium) is scarlet- to orange-red. The edge of the cup (or margin) is curved inwards in young fruit bodies. The stem, if present at all, is short. [10]

The asci are 400–500 by 12–14  µm, cylindrical, and operculate. The ascospores are elliptical to cylindrical with rounded ends, uniseriate, hyaline, and measure 26–40 by 10–12 µm. They contain two large oil drops at either end; the oil drops are useful taxonomic characters that may be used to help distinguish S. dudleyi from some other Sarcoscypha species. The spores are covered with a sheath of mucilage, which typically causes the eight spores of the ascus to be ejected together. [2] The paraphyses (sterile filamentous hyphal end cells in the hymenium) are slender, slightly enlarged above, and contain numerous red granules. [10] The granules contain carotenoid pigments such as plectaniaxanthine or beta carotene, and give the fruit body its color. [12]

Anamorph form

Anamorphic or imperfect fungi are those that seem to lack a sexual stage in their life cycle, and typically reproduce by the process of mitosis in structures called conidia. In some cases, the sexual stage—or teleomorph stage—is later identified, and a teleomorph-anamorph relationship is established between the species. The International Code of Botanical Nomenclature permits the recognition of two (or more) names for one and the same organisms, one based on the teleomorph, the other(s) restricted to the anamorph. The anamorphic state of S. dudleyi is Molliardiomyces dudleyi. [2] [13]

Habitat and distribution

In Strouds Run State Park, Ohio Sarcoscypha dudleyi 74659.jpg
In Strouds Run State Park, Ohio

Sarcoscypha dudleyi is a saprobic species, [14] and derives nutrients by breaking down the complex insoluble polysaccharides found in woody material, such as cellulose and lignin. Fruit bodies are found growing singly or in very small groups, and are attached to buried or partially buried sticks in forests. Basswood has been noted to be a preferred wood type for the species. Fruit bodies typically appear during early spring, but may occasionally also in late fall. [10] Although the distribution appears to be largely restricted to the eastern United States, [10] it was once reported in Bulgaria in 1994, representing the first European collection. [15]

Related Research Articles

<i>Aleuria aurantia</i> Species of fungus

Aleuria aurantia is a widespread ascomycete fungus in the order Pezizales. The bright orange, cup-shaped ascocarps often resemble orange peels strewn on the ground, giving this species its common name.

<i>Sarcoscypha</i> Genus of fungi

Sarcoscypha is a genus of ascomycete fungus and a type genus of the family Sarcoscyphaceae. Species of Sarcoscypha are present in Europe, North America and tropical Asia. They are characterised by a cup-shaped apothecium which is often brightly coloured. They have had a range of popular uses, one of which was as a table decoration. Some members of the family such as S. coccinea and the - according to new knowledge - more common S. austriaca in western Europe and United States have bright scarlet apothecia which have given them familiar names such as the scarlet cup fungus and scarlet elf cap.

<i>Sarcoscypha coccinea</i> Species of fungus

Sarcoscypha coccinea, commonly known as the scarlet elf cup, or the scarlet cup, is a species of fungus in the family Sarcoscyphaceae of the order Pezizales. The fungus, widely distributed in the Northern Hemisphere, has been found in Africa, Asia, Europe, North and South America, and Australia. The type species of the genus Sarcoscypha, S. coccinea has been known by many names since its first appearance in the scientific literature in 1772. Phylogenetic analysis shows the species to be most closely related to other Sarcoscypha species that contain numerous small oil droplets in their spores, such as the North Atlantic island species S. macaronesica. Due to similar physical appearances and sometimes overlapping distributions, S. coccinea has often been confused with S. occidentalis, S. austriaca, and S. dudleyi.

<i>Paragyromitra infula</i> Species of fungus

Paragyromitra infula, commonly known as the hooded false morel or the elfin saddle, is a species of fungus in the family Discinaceae. The dark reddish-brown caps of the fruit bodies develop a characteristic saddle-shape in maturity, and the ends of both saddle lobes are drawn out to sharp tips that project above the level of the fruit body. The stipe is white or flushed pale brown, smooth on the outside, but hollow with some chambers inside.

<i>Gyromitra caroliniana</i> Species of fungus

Gyromitra caroliniana, known commonly as the Carolina false morel or big red, is an ascomycete fungus of the genus Gyromitra, within the Pezizales group of fungi. It is found in hardwood forests of the southeastern United States, where it fruits in early spring soon after snowmelt.

<i>Cookeina</i> Genus of fungi

Cookeina is a genus of cup fungi in the family Sarcoscyphaceae, members of which may be found in tropical and subtropical regions of the world. Species may be found on fallen branches of angiosperms, trunks, and sometimes on fruits. The Temuans of Peninsular Malaysia are reported to use certain species from this genus as food, and also as a bait for fishing, where it is rubbed against the hook.

<i>Scutellinia scutellata</i> Species of fungus

Scutellinia scutellata, commonly known as the eyelash cup, the Molly eye-winker, the scarlet elf cap, the eyelash fungus or the eyelash pixie cup, is a small saprophytic fungus of the genus Scutellinia. It is the type species of Scutellinia, as well as being the most common and widespread. The fruiting bodies are small red cups with distinctive long, dark hairs or "eyelashes". These eyelashes are the most distinctive feature and are easily visible with a magnifying glass.

<i>Chorioactis</i> Genus of fungi that contains the single species Chorioactis geaster

Chorioactis is a genus of fungi that contains the single species Chorioactis geaster. The mushroom is commonly known as the devil's cigar or the Texas star in the United States, while in Japan it is called kirinomitake (キリノミタケ). This extremely rare mushroom is notable for its unusual appearance and disjunct distribution; it is found only in select locales in Texas and Japan. The fruit body, which grows on the stumps or dead roots of cedar elms or dead oaks, somewhat resembles a dark brown or black cigar before it splits open radially into a starlike arrangement of four to seven leathery rays. The interior surface of the fruit body bears the spore-bearing tissue known as the hymenium, and is colored white to brown, depending on its age. The fruit body opening can be accompanied by a distinct hissing sound and the release of a smoky cloud of spores.

<i>Helvella acetabulum</i> Species of fungus

Helvella acetabulum is a species of fungus in the family Helvellaceae, order Pezizales. This relatively large cup-shaped fungus is characterized by a tan fruit body with prominent branching ribs resembling a cabbage leaf; for this reason it is commonly known as the cabbage leaf Helvella. Other colloquial names include the vinegar cup and the brown ribbed elfin cup. The fruit bodies reaches dimensions of 8 centimetres (3 in) by 4 cm tall. It is found in Eurasia and North America, where it grows in sandy soils, under both coniferous and deciduous trees.

<i>Plectania</i> Genus of fungi

Plectania is a genus of fungi in the family Sarcosomataceae. It was circumscribed by German botanist Karl Wilhelm Gottlieb Leopold Fuckel in 1870.

<i>Pseudoplectania</i> Genus of fungi

Pseudoplectania is a genus of fungi in the family Sarcosomataceae. The genus contains 12 species. Pseudoplectania ryvardenii was described in 2012, while Pseudoplectania carranzae was transferred to the genus in 2013.

<i>Sarcosphaera</i> Genus of fungi

Sarcosphaera is a fungal genus within the Pezizaceae family. It is a monotypic genus, containing the single species Sarcosphaera coronaria, commonly known as the pink crown, the violet crown-cup, or the violet star cup. Although several taxa have been described as Sarcosphaera species since the introduction of the genus in 1869, most lack modern descriptions, have been transferred to the related genus Peziza, or are considered synonymous with S. coronaria.

<i>Microstoma floccosum</i> Species of fungus

Microstoma floccosum is a species in the cup fungus family Sarcoscyphaceae. It is recognizable by its deep funnel-shaped, scarlet-colored fruit bodies bearing white hairs on the exterior. Found in the United States and Asia, it grows on partially buried sticks and twigs of oak trees.

<i>Wynnea</i> Genus of fungi

Wynnea is a genus of fungi in the family Sarcoscyphaceae. Circumscribed by Miles Joseph Berkeley and Moses Ashley Curtis in 1867, the genus contains seven species that have ear-shaped fruit bodies that grow on the ground. Wynnea species have a worldwide distribution and have been collected from the United States, Costa Rica, India, and China.

<i>Wynnea americana</i> Species of fungus

Wynnea americana, commonly known as moose antlers or rabbit ears, is a species of fungus in the family Sarcoscyphaceae. This uncommon inedible species is recognizable by its spoon-shaped or rabbit-ear shaped fruit bodies that may reach up to 13 cm (5 in) tall. It has dark brown and warty outer surfaces, while the fertile spore-bearing inner surface is orange to pinkish to reddish brown. The fruit bodies grow clustered together from large underground masses of compacted mycelia known as sclerotia. In eastern North America, where it is typically found growing in the soil underneath hardwood trees, it is found from New York to Michigan south to Mexico. The species has also been collected from Costa Rica, India, and Japan.

<i>Pseudoplectania nigrella</i> Species of fungus

Pseudoplectania nigrella, commonly known as the ebony cup, the black false plectania, or the hairy black cup, is a species of fungus in the family Sarcosomataceae. The fruit bodies of this saprobic fungus are small blackish cups, typically up to 2 cm broad.

<i>Disciotis venosa</i> Species of fungus

Disciotis venosa, commonly known as the bleach cup, veiny cup fungus, or the cup morel is a species of fungus in the family Morchellaceae. Fruiting from April, they are often difficult to locate because of their nondescript brown color.

<i>Plectania nannfeldtii</i> Species of fungus

Plectania nannfeldtii, commonly known as Nannfeldt's Plectania, the black felt cup, or the black snowbank cup fungus, is a species of fungus in the family Sarcosomataceae. The fruit bodies of this species resemble small, black, goblet-shaped shallow cups up to 3 cm wide, with stems up to 4 cm long attached to black mycelia. Fruit bodies, which may appear alone or in groups on the ground in conifer duff, are usually attached to buried woody debris, and are commonly associated with melting snow. Plectania nannfeldtii is found in western North America and in Asia, often at higher elevations. Similar black cup fungi with which P. nannfeldtii may be confused include Pseudoplectania vogesiaca, P. nigrella, and Helvella corium.

<i>Sarcoscypha occidentalis</i> Species of fungus

Sarcoscypha occidentalis, commonly known as the stalked scarlet cup or the western scarlet cup, is a species of fungus in the family Sarcoscyphaceae of the Pezizales order. Phylogenetic analysis has shown that it is most closely related to other Sarcoscypha species that contain large oil droplets in their spores. S. occidentalis has an imperfect form, classified as Molliardiomyces occidentalis.

<i>Sarcoscypha austriaca</i> Species of fungus

Sarcoscypha austriaca is a saprobic fungus in the family Sarcoscyphaceae of the order Pezizales of Ascomycota. It is commonly known as the scarlet elfcup, pézize écarlate and scharlachroter kelchbecherling. The species name means "from Austria".

References

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  4. Seaver FJ. (1928). The North American Cup-Fungi (Operculates). New York: Self published. pp. 191–92.
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  9. 1 2 Harrington FA; Potter D. (1997). "Phylogenetic relationships within Sarcoscypha based upon nucleotide sequences of the internal transcribed spacer of nuclear ribosomal DNA". Mycologia. 89 (2): 258–67. doi:10.2307/3761080. JSTOR   3761080.
  10. 1 2 3 4 5 Healy RA; Huffman DR; Tiffany LH; Knaphaus G. (2008). Mushrooms and Other Fungi of the Midcontinental United States (Bur Oak Guide). Iowa City: University of Iowa Press. p. 291. ISBN   978-1-58729-627-7 . Retrieved 2010-08-25.
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  12. Arpin N. (1968). "Les caroténoïdes des Discomycètes: essai chimiotaxinomique" [Carotenoids of the Discomycetes: chemotaxonomic analysis]. Bulletin Mensuel de la Société Linnéenne de Lyon (in French). 28 (suppl): 1–169.
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