Oreogrammitis leonardii

Polypodiaceae

Oreogrammitis leonardii (Parris) Parris

Link to Australian Plant Name Index for publication details and synonyms: https://id.biodiversity.org.au/name/apni/215196

Rhizome erect. Fronds c. 0.3 mm apart. Stipe with whitish to pale red-brown simple eglandular hairs 0.1–0.2 mm long. Lamina 2.6–10 cm or more long, 4–7 mm wide, membranous, with whitish to pale red-brown simple eglandular hairs throughout, and forked hairs abaxially on midvein; hairs 0.1–0.2 mm long; veins visible in transmitted light, with hydathodes. Sori rounded, 1–32 or more pairs, in distal half to three-quarters of lamina. Sporangia setose; thickened annulus cells 10–12 (–13). Spores 25–33 µm diam.

Known only from the type locality on Mt Finnegan, NE QLD.

Epiphytic and lithophytic among moss in upper-montane high-rainfall rainforest.

Named after botanist Leonard J. Brass who collected the Type.