Mycologia 60: 267, 1968.

Conidiophores cylindrical, 0-4 septate, simple, acrogenous or laterally on hyphae, often remaining connected with detached conidia, straight or curved, light brown.

Conidiogenous cells monoblastic, integrated, terminal, determinate.

Conidia acrogenous, solitary, regularly or irregularly helicoid, mostly one to one and half times contorted, rarely semicontorted, 6-12 septate, not or slightly constricted at the septa, umber to reddish brown; cells increasing in diameter from base to apex, distinctly dissimilar, spiralis 20-38.5 mm in diameter; terminal cell 9-15 mm high, 10-20 mm in diameter, subglobose to ellipsoidal, basally flattened; basal cells 5.5-10 mm high, 3-5 mm in diameter, cylindrical; central cells subglobose, obtusely conical or doliiform.