Rust Fungi of Southeast Asia

Kuehneola callicarpae Syd.

Description
Uredinia pulverulent, on lower leaf surface, subepidermal, erumpent, round, yellowish brown.

Urediniospores globose to subglobose, apex obtuse, hyaline to subhyaline, 21-26 × 20-25 µm; wall 2.0-2.5 µm thick, echinulate.

Telia on lower leaf surface, erumpent, reddish brown.

Teliospores cylindrical to fusiform, apex rounded, yellowish brown, up to 200 µm long, individual cells 19-25 µm long × 23-28 µm wide; wall 1.0-1.5 µm thick, smooth, arranged in chains.

Specimens cited in description:
- BRIP 58396.

Hosts
Host family:
- Lamiaceae

Host species:
- Callicarpa petelotii

Distribution
Vietnam

Highslide JS
Kuehneola callicarpae on Callicarpa petelotii - BRIP 58396.
Scale bar = 1 cm.
Highslide JS
Urediniospores of Kuehneola callicarpae on Callicarpa petelotii - BRIP 58396.
Scale bar = 10 µm.
Highslide JS
Teliospore of Kuehneola callicarpae on Callicarpa petelotii - BRIP 58396.
Scale bar = 10 µm.