Rust Fungi of Southeast Asia
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Puccinia porri (Sowerby) G. Winter

Description
Uredinia on lower leaf surface, subepidermal, erumpent, linear, up to 2600 µm long, reddish brown.

Urediniospores subglobose to ellipsoidal, yellowish brown, 21-29 × 18-23 µm; wall 2-2.5 µm thick, finely echinulate, with 6-9 scattered germ pores.

Telia on lower leaf surface, subepidermal, linear, up to 1000 µm, black.

Teliospores clavate, apex rounded to truncate, mostly 2-celled, reddish brown, 41-70 × 18-26 µm; wall 2-2.5 µm thick at sides, 4-7 µm thick at apex, smooth, with persistent pedicel.

Specimens cited in description:
- BRIP 64587, 64600

Hosts
Host family:
- Alliaceae

Host species:
- Allium porrum

Distribution
South Africa (Gauteng)

Verified molecular barcode
- KY849820 (ITS-LSU verified specimen)

Puccinia porri on Allium porrum - BRIP 64600.
Scale bar = 5 mm.
Highslide JS
Urediniospores of Puccinia porri on Allium porrum - BRIP 64600.
Scale bar = 10 µm.
Teliospores of Puccinia porri on Allium porrum - BRIP 64600.
Scale bar = 10 µm.