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Puccinia loranthicola McAlpine

Description
Aecia on both leaf surfaces in groups of 1‒15 form on bullate brown cushions up to 1 cm diam.; peridium tubular, embedded in cusions, about 0.5 mm diam.; peridial cells oblong or subpolyhedrally irregular, hyaline, yellow to orange, 47‒65 × 18‒35 µm; wall 5‒15 µm, thicker at ends, densely verrucose with warts up to 9 µm.

Aeciospores doliiform, ellipsoidal or subpolyhedral, often with truncate base, subhyaline, yellow to orange, 37‒59 × 22‒33 µm; wall 1.5‒2.5 µm thick at sides, 10‒22 µm thick at apex, 3‒10 µm thick at base, densely verrucose with warts up to 2 µm.

Hosts
Host family: Loranthaceae
Host species: Amylotheca dictyophleba

Distribution
QLD

Comments
Puccinia loranthicola
is a native Australian rust described by McAlpine (1906). It occurs on some mistletoes in the Loranthaceae.

Highslide JS
Puccinia loranthicola on Amylotheca dictyophleba - BRIP 59685.
Highslide JS
Puccinia loranthicola on Amylotheca dictyophleba - BRIP 59685.
Scale bar = 1 cm.
Highslide JS
Puccinia loranthicola on Amylotheca dictyophleba - BRIP 59685.
Scale bar = 1 mm.
Highslide JS
Peridial cells of Puccinia loranthicola on Amylotheca dictyophleba - BRIP 59685.
Scale bar = 10 µm.
Highslide JS
Aeciospores of Puccinia loranthicola on Amylotheca dictyophleba - BRIP 59685.
Scale bar = 10 µm.