Distribution
Asia-Tropical: Borneo present (Sabah present); Philippines (Philippines present), Luzon present, North Thailand present
North Thailand; Malesia: Philippines (Luzon), Borneo (Sabah; one collection).
Taxonomy
This is very near T. coadunata but appears to differ constantly in lack of pinnules on basal pinnae and in closely shallowly lobed non- acuminate upper pinnae. The largest Luzon specimen has a lamina 38 cm long, basal pinnae 19 cm.
Citation
Elmer 1911 – In: Leafl. Philipp. Bot. p 1151
Copel. 1960: Fern Fl. Philipp. p 305
