Colony diameter on Oat Meal Agar 8-9 mm in 12 days at 25°C, plane, pale orange white to orange white or pale orange; reverse orange white to pale orange. Mycelium mostly immersed, composed of branched, septate, smooth, subhyaline to pale yellowish hyphae, 1.5-5.0 μm wide. Conidiophores micronematous, semimacronematous, mostly lateral, single or branched, straight or flexuous, smooth, subhyaline, 12.0-36.0 × 2.5-3.5 μm. Conidiogenous cells monoblastic, integrated, sympodially proliferating, 3.0-12.5 × 1.5-2.5 μm. Conidia T-shaped, smooth, hyaline or subhyaline, pale yellowish brown in mass; main axis clavate, straight or curved, 3-6 septa, 25.5-45.0 μm long, 4.5-5.5 μm wide near the apex, often truncate, 1.5-3.0 μm wide at the base, usually with 2 symmetrical arms (rarely 3 divergent arms); arms 1-3 septate, tapering, slightly curved and rounded at the ends, 6.5-16.0 μm long, 3.0-5.5 μm wide. Cylindrical conidia present, up to 6-septae, 41.5-45.0 μm long, 4.5-5.0 μm wide.
Specimens：
Taiwan. Sanhsia, Raipei Pref., on a herbaceous decaying stem, Aug. 10 1993, TNTU 1114 (dried culture); Chiaokengtzn, on rotten leaf, Oct. 1, 1995, CTN 40; Tsochen, on a herbaceous rotten stem, June 30, 1997, CTN 78.
Habitat：
on a herbaceous decaying stem and on rotten leaf.
Distribution：
Taiwan, Brazil, India.
References：
Chen, JL and Tzean, SS. 1999.
Provided：
S. S. Tzean and J. L. Chen
Note：
Trinacrium incurvum (Matsushima, 1993) was described as having T-shaped triradiate, hyaline, smooth conidia. In 1980, Matsushima reported a second, unnamed trinacrium sp. (MFC-6700) with T-shaped conidia. This isolate was collected from Taiwan, but this fungi has no specific epithet.
Phylum：Anamorphic fungi >> Class： Anamorphic fungi >> Order： Anamorphic fungi 
BCRC Number：