Phylum:Anamorphic fungi >> Class: Anamorphic fungi >> Order: Anamorphic fungi | ||||
BCRC Number: | NO BCRC Number! | |||
Scientific Name: | Helicoma palmigenum | |||
Author: | Helicoma palmigenum Penzig & Saccardo Linder, Ann. Mo. Bot. Gdn. 16:306. 1929.. |
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Description: | Colonies diameter on Oat Meal Agar larger than 60 mm in 38 days at 25°C, effuse, plane, with more or less floccose at the center, brownish grey to greyish brown; reverse greyish brown to brown or dark brown. Mycelium mostly immersed, composed of branched, septate, smooth, subhyaline to pale brown or middle brown, 1.4-7.0 μm hyphae. Conidiophores macronematous, mononematous, single or cluster, simple or branched, straight or slightly curved, septate, smooth, brown, paler towards the apex, 39.0-210.0 X 5.4-9.0 μm, often elongated- proliferation. Conidiogenous cells monoblastic, sympodial. Conidia helicospore, 9-17-septate, smooth, pale brown to yellowish brown, 28.0-35.0 μm in diameter; individual threads 8.0-11.0 μm wide, often with a conspicuously darker scar at the base. | |||
Specimens: | Taiwan, Chilan, Ilan Pref., on a rotten stem, 20 Sep. 1993. TNTU 1146. leg. J.L. Chen. |
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Habitat: | on rotten stem | |||
Distribution: | Taiwan, Australia, New Guinea, Papua New Guinea, Seychelles, U.S.A., Japan, Cuba. |
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References: | Matsushima, 1975; Goos, 1986. |
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Provided: | J. L. Chen and S. S. Tzean |
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Note: | This species is distinguished by its monomblastic, elongated proliferating conidiogenous cells and helicospore, septate, pale brown conidia with wider individual threads. | |||