Rust Fungi of Southeast Asia

Olivea tectonae (T.S. Ramakr. & K. Ramakr.) Thirum.

Description
Uredinia on lower leaf surface, subepidermal, erumpent, round, 100-300 µm, hyaline to subhyaline, paraphyses peripheral, incurved, subhyaline, 30-45 × 10-17 µm; wall 0.5-1 µm thick, convex side and apex thickened to 2.5 µm.

Urediniospores globose, subglobose to obovoid, apex obtuse, hyaline to subhyaline, 19-25 × 15-21 µm; wall 1.5-2 µm thick, finely echinulate.

Specimens cited in description:
- BRIP 57473.

Hosts
Host family:
- Lamiaceae

Host species:
- Tectona grandis

Distribution
Philippines

Highslide JS
Olivea tectonae on Tectona grandis - BRIP 57473.
Highslide JS
Olivea tectonae on Tectona grandis - BRIP 57473.
Scale bar = 5 mm.
Highslide JS
Paraphyses of Olivea tectonae on Tectona grandis - BRIP 57473.
Scale bar = 10 µm.
Highslide JS
Urediniospores of Olivea tectonae on Tectona grandis - BRIP 57473.
Scale bar = 10 µm.