Doassansia Cornu

Type

Doassansia alismatis (Nees) Cornu

Synonyms

Setchellia Magnus

Description

Sori in leaves, petioles and stems of paludal or aquatic plants, forming pale green, yellowish or brownish areas, with numerous spore balls embedded in the host tissue appearing as minute brown dots.

Spore balls rather persistent, composed of a central mass of spores surrounded by a ±distinct cortex of sterile cells.

Spore germination of Tilletia-type.

Host-parasite interaction by complex interaction apparatus with cytoplasmic portions; haustoria absent.

Septal pore simple, with 2 membrane caps.

Comments

Doassansia contains 14 known species, one of which has been collected in Australia.

Species in Australia
 
Doassansia alismatis