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Puccinia brunoniae McAlpine

Aecia amphigenous, white, peridium present.

Telia on upper leaf surface, subepidermal, erumpent, dome-shaped, confluent, 400 µm each, up to 4 mm when confluent, black.

Teliospores clavate, apex usually rounded, sometimes acuminate, 1, 2 or 3 celled, reddish brown, 41‒56 × 17‒23 µm; wall 1.5‒2.5 µm thick at sides, 6‒12.5 µm thick at apex, smooth, with persistent pedicel.

Mesospores oval, reddish-brown, 36‒40 × 15‒18 µm.

Host family: Goodeniaceae
Host species: Brunonia australis


McTaggart et al. (2014) determined the rusts on Goodeniaceae, Puccinia stylidii (Stylidaceae) and P. lagenophorae (Asteraceae) were closely related and may be the product of sympatric speciation after host jumps in a shared environment. Puccinia brunoniae is distinguished from the rusts on Goodeniaceae as it occurs on Brunonia australis.