Tmesipteris elongata

Fronds unbranched, 15–60 cm long, growing for more than one season. Leaves not crowded (c. 2–4 per cm), variable in shape, 15–30 mm long, similar in size throughout plant, firm; base symmetrical to asymmetrical; apex blunt with fine excurrent point, 1–2 mm long. Sporophyll lobes slightly shorter than leaves, c. 1–2 mm wide. Synangium elongate, mostly 3–5 mm long, with rounded lobes.