Phylum:Anamorphic fungi >> Class: Anamorphic fungi >> Order: Anamorphic fungi | ||||
BCRC Number: | 32141 32424 | |||
Scientific Name: | Aspergillus sydowii | |||
Author: | Aspergillus sydowii (Bain. & Sart.) Thom & Church, The Aspergilli: 147. 1926. |
|||
Description: | Colony diameters on Czapek’s Agar 2.5-3.0 cm in 14 days at 25°C, plane to floccose; co-nidial heads radiate, light grayish olive or gnaphalium green to artemisia green (R., Plate, XLVI, XLVII); mycelium white; reverse ivory yellow or maroon (R., Plate XXX); stipes 140-560 ×2.5-8.0 μm, hyaline to pale brown, smooth; vesicles clavate to subglobose, 4.2-18.0 μm wide. Aspergilla biseriate, metulae covering 1/2 to 4/5 of the vesicle, 3.8-8.7 × 2.2-4.4 μm; phialides 3.6-11.0 × 2.0-4.0 μm. Conidia globose, conspicuously roughened to spinose, 2.5-4.4 μm in diameter. Small aspergilla often present resembling the fruiting structures of Penicillium. Colony diameters on Malt Extract Agar 4.0-4.5 cm in 14 days at 25°C; conidial heads radi-ate to loosely columnar, light celandine green, lily green, or greenish glaucous-blue to deep bluish gray- green (R., Plate XLVII, XLII); mycelium white; reverse uncolored to dull capucine yellow or dull deep green (R., Plate III). Hulle cells occasionally present, globose to subglobose. | |||
Specimens: | Taiwan, Taipei City, common species from stored red bean seeds, 10 Nov 1986; stored paddy rice, Hsinchu Pref., 14 Nov 1987 (CCRC 32141); stored sesame seeds, Hwalien City, 11 Feb 1988 (CCRC 32424). |
|||
Habitat: | from stored red bean seeds; stored paddy rice; stored sesame seeds. | |||
Distribution: | Taiwan, UK, South Africa. |
|||
References: | Tzean, SS et al. 1990. |
|||
Provided: | S. S. Tzean and J. L. Chen |
|||
Note: | This species is distinguished by bluish green or blue conidial colors and small vesi-cles, which are always elongate. Reverse on CZ is red to brown; conidia are small, spherical, rough to spinose walls. | |||