Strobilomyces foveatus: Difference between revisions
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Revision as of 01:23, 16 July 2010
| Strobilomyces foveatus | |
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| File:Strobilomyces foveatus 93685.jpg | |
| From Fraser Island, Queensland, Australia | |
| Scientific classification | |
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| Species: | S. foveatus
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| Binomial name | |
| Strobilomyces foveatus | |
Strobilomyces foveatus | |
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 | Pores on hymenium |
 | Cap is convex |
 | Hymenium is adnate |
 | Stipe is bare |
 | Spore print is black to brown |
 | Ecology is mycorrhizal |
Template:FixBunching Strobilomyces foveatus is a species of fungus in the Boletaceae family. It was first described scientifically by mycologist E.J.H. Corner in 1972, from specimens collected in Sarawak, Malaysia in 1959,[1] and has since been found in Australia. Fruit bodies are characterized by the small dark brown to black conical scales on the cap surface.
Classification
Strobilomyces foveatus is classified in the section Strobilomyces of the genus Strobilomyces. Species in this section are characterized by having spores that may be either smooth or with short spines or warts, ridges or reticulations. The ornamentation is reduced or absent in the suprahilar region—a depressed area near the hilar appendage.[2]
Description
The caps of the fruit bodies are between 7 to 10 cm (2.8 to 3.9 in) wide, with a convex shape. The cap surface is covered with dark brown to black erect scales between 1.5–3 by 1.5–2.5 mm. The stem is up to 12 cm (4.7 in) long; it is 1.2 cm (0.5 in) thick at the top, and 1.5 cm (0.6 in) thick at the bottom of the stem. The surface of the upper stem is strongly reticulate—covered with a network-like pattern—with individual meshes about 2–4 mm wide and 1–2 mm deep. The pores on the underside of the cap are between 0.5–1 mm wide, dirty white then gray, and bruising a brownish-black color. The tubes which make up the pores are up to 1.2 cm (0.47 in) long. The flesh is thick and initially white, but will stain a brownish-black after exposure to the air.[1]
The spores are 8–10 by 6.3–8.3 μm, densely covered with slender conical spines about 0.5 μm tall. The pleurocystidia are thin-walled and abundant, and up to 90 μm long by 1–20 μm wide, ventricose (with a swelling on one side), with a narrow appendage up to 20 μm by 4–8 μm. [1]
Similar species
Corner notes that the species "may be identical" with Strobilomyces echinatus Beeli, an African species with spores that measure 9.5–13 by 6.3–8.3 μm.[1]
Habitat and distribution
Corner collected specimens growing in humus on the forest floor, in Bako National Park in Sarawak, Malaysia.[1] It has also been collected from southern Queensland in Australia.[3] Although it is not known definitively for Strobilomyces foveatus, all Strobilomyces species are suspected to be mycorrhizal.[2]
References
- ^ a b c d e Corner EJH. (1972). Boletus in Malaysia. Singapore: Botanic Gardens. p. 60.
- ^ a b Singer R. (1986). The Agaricales in Modern Taxonomy (4th ed.). Koenigstein: Koeltz Scientific Books. p. 802. ISBN 3-87429-254-1.
- ^ Halling R. "Strobilomyces foveatus Corner". Mushroom Observer. Retrieved 2010-07-14.