Coll. AP 5099
© A. Parker | | | | | |
Gyromitra melaleucoides (Seaver) Pfister, Mycologia, 72 (3): 615 (1980).
Basionym Peziza melaleucoides Seaver, N. Amer. Cup-fungi (Operc.): 225 (1928).
Diagnosis Apothecia sessile or short-stipitate, reaching a diameter of 10 cm., cup-shaped, becoming somewhat repand, usually whitish near the base, brownish above or occasionally with a lavender tint; stem when present lacunose, very short; hymenium concave, often umbilicate, becoming dark-brown or tinted with olive; asci cylindric or subcylindric, reaching a length of 250 µ, and a diameter of 12-15 µ; spores 1-seriate, ellipsoid, each containing two oil-drops, 10 × 14 µ, hyaline or subhyaline, becoming sculptured; spore-sculpturing consisting of minute papillae; paraphyses about 4 µ, in diameter below, enlarged above where they reach a diameter of 8 µ, filled with brown coloring matter.
On the ground or more often on rotten wood in coniferous woods.
Type collected by Dr. L. O. Overholts at Tolland, Colorado, June, 1914.
Type ex herb. Seaver (NY) - holotypus
Synonyms
Gyromitra recurva (Snyder) Harmaja, Karstenia, 18: 57 (1978); Paxina recurvum Snyder, Mycologia, 28 (5): 487 (1936), fide Pfister (1980).
MycoBank 113781
Literature
Abbott S.P., Currah R.S. 1997. The Helvellaceae: systematic revision and occurrence in Northern and Northwestern North America. Mycotaxon, 62: 1-125.
Harmaja H. 1978. New species and combinations in Helvella and Gyromitra. Karstenia, 18 (2): 57.
Harmaja H. 1979. Gyromitra esculenta and G. recurva a noteworthy species of western North America. Karstenia, 19 (2): 46-49.
Methven A.S., Zelski S.E., Miller A.N. 2013. A molecular phylogenetic assessment of the genus Gyromitra in North America. Mycologia, 105 (5): 1306-1314.
Pfister D.H. 1980. On "Peziza" melaleucoides — a species of Gyromitra from the western United States. Mycologia, 72 (3): 614-619.
Seaver F.J. 1928. The North American Cup-Fungi (Operculates).
Snyder L.C. 1936. New and unusual Discomycetes of Western Washington. Mycologia, 28 (5): 483-488.
Tylutki E.E. 1979. Mushrooms of Idaho and the Pacific Northwest.
Van Vooren N., Moreau P.A. 2009. Essai taxinomique sur le genre Gyromitra Fr. sensu lato (Pezizales). 5. Le genre Gyromitra Fr., sous-genre Melaleucoides. Ascomycete.org, 1 (3): 11-13.
Classification: Discinaceae, Gyromitra
Created on 29/05/2015.
Updated on 02/08/2023.
