Anthracoidea carphae (Speg.) Vánky

Synonyms

Cintractia carphae (Speg.) Hirschh.
Cintractia waiouru G. Cunn.
Ustilago carphae Speg.

Description

Sori in some ovaries, more rarely in all ovaries of an inflorescence, forming hard black ovoid to elongate bodies with a powdery surface, 2.5–3.5 mm long, 1.5–2.0 mm wide, partly hidden by the glumes; when young covered by a thin greyish fungal membrane that soon flakes away.

Spores slightly flattened, 12–14 µm thick, in plane view subcircular, ellipsoidal, subpolyangular to moderately irregular, 17–25 (–27) × 15–20 µm, reddish brown; wall uniformly 1.0–1.5 µm thick, or thicker at the angles (to 3 µm), finely and densely uniformly verruculose; light-refractive areas sparse; internal swellings absent; spore profile smooth, finely wavy or finely serrulate.

Hosts
 
Host family: Cyperaceae
   
Host species: Carpha alpina R.Br.

Distribution

States & Territories: TAS