Moreaua megaglomerulosa (Vánky) Vánky

Synonyms

Tolyposporium megaglomerulosum Vánky

Description

Sori as in M. lepidospermae and M. rodwayi, on the surface of inner floral organs, filling the swollen flowers with a black granular-powdery mass of spore balls.

Spore balls irregular, elongate, rarely subglobose, 60–150 (–160) × 50–100 (–110) µm, blackish brown, opaque, composed of tens to hundreds of firmly cohering spores.

Spores irregularly subpolyhedral, elongate or subcuneiform, in surface view irregularly polyangular, 8–16 × 4–12 µm, in optical median view 12–28 µm long, dark reddish to blackish brown; wall of the free surface 2–3 µm thick, moderately densely and irregularly verruculose, with a pale rounded germ pore 3.0–3.5 µm diam.; wall of the contact sides c. 0.5 µm thick, smooth.

Hosts
   
Host family: Cyperaceae
   
Host species: Lepidosperma concavum R.Br.
Lepidosperma filiforme Labill.
Lepidosperma gunnii Boeck.
Lepidosperma laterale R.Br.
Lepidosperma longitudinale Labill.
Lepidosperma neesii Kunth

Distribution

States & Territories: NSW, TAS, VIC