Stollia McTaggart & R.G. Shivas

Type

Stollia ewartii (McAlpine) McTaggart & R.G. Shivas on Sorghum stipoideum (Ewart & Jean White) C.A. Gardner & C.E. Hubb.

Description

Sori in swollen ovaries of Andropogoneae, localised in the inflorescence, globose to obovoid, covered by a thick peridium derived from host tissue, initially green, darker with age, which ruptures at maturity to expose the pulverulent spore mass mixed with sterile cells. Columellae and spore balls are lacking.

Spores single, globose, subglobose to ellipsoidal, often echinulate.

Sterile cells in loose irregular groups, globose, hyaline.

Species in Australia
 
Stollia bursa
Stollia ewartii

Key based on host taxonomy
 
On SargaStollia ewartii
On ThemedaStollia bursa