Phylum:Anamorphic fungi >> Class: Anamorphic fungi >> Order: Anamorphic fungi | ||||
BCRC Number: | 4119 | |||
Scientific Name: | Penicillium oxalicum | |||
Author: | Subgenus: Furcatum Penicillium oxalicum Currie & Thom, J. Biol. Chem. 22: 289. 1915. |
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Description: | CYA, 25°C, 7 days: colony diameters 45-46 mm, dense, low, radially sulcate, center loose floccose, subcenter velutinous, margin somewhat floccose, entire, broad; mycelium white to pale yellow (2A3); conidiogenesis abundant, dull green, dark green to greyish turquoise (24-25D-E3-4, 25E3-4); exudate clear; soluble pigment absent; reverse greyish orange (5B3-6). MEA, 25°C, 7 days: colony diameters 28-32 mm, plane, floccose, margin entire, effuse; mycelium white; conidiogenesis abundant, dark green (27F4-6), greyish green (27E4-5); exudate and soluble pigment absent; reverse greyish orange (5E4-5), greyish yellow (4B3-5), olive brown (4D4-6) or olive to olive yellow (13D4-6). G25N, 25°C, 7 days: colony diameters 17-18 mm; center raised, pulvinate, floccose, subcenter and margin velutinous, margin entire, narrow; mycelium white; conidiogenesis abundant; exudate and soluble pigment absent; reverse greyish to brownish orange (5B-C-3-5), greyish green (28D-E-4-6) or yellowish grey to greyish yellow (3B2-3). CYA, 5°C, 7 days: no germination. CYA, 37°C, 7 days: colony diameters 12-18 mm, raised, wrinkled, velutinous, margin low, flat, narrow; mycelium white; conidiogenesis moderate, greyish green (27D-E4-6); exudate and soluble pigment absent; reverse yellowish brown (5D-F4-6). Conidiophores and conidia: conidiophores on MEA borne from surface mycelium; stipes septate, 100-300 × 3.2-4.0 μm, smooth, thick walled; penicilli mostly biverticillate, occa-sionally monoverticillate; metulae in verticils of 2-3(5), smooth, 15.5-21.8 × 3.2-3.9 μm; phialides appressed in verticils of 5-7, ampulliform to cylindroidal, smooth, 9.6-12.8 × 2.8-3.2 μm, collula short, mostly very narrow; conidia broadly ellipsoidal, sometimes sub-spheroidal, 2.4-6.0 × 2.4-4.0 μm, smooth to finely roughened, thin walled, borne in defined columns. | |||
Specimens: | Taiwan, Ilan, Miaol County, from soil, Mar 1987. |
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Habitat: | from soil. | |||
Distribution: | Taiwan, India, Egypt. |
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References: | Tzean, SS et al. 1994. |
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Provided: | S. S. Tzean and S. C. Chiu |
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Note: | most widely distributed species, voucher culture CCRC 4119. | |||