Oleandraceae - Crevice creepers
Photo: P. Ballings
Description of the family
Terrestrial or lithophytic ferns. Rhizome scandent or wide-creeping, laterally branched. Stipe articulated. Fronds monomorphic, numerous, widely spaced, simple, deciduous, venation free. Sori circular, in a single row on either side of the midrib near costae; indusium kidney-shaped, opening outwards, homosporous.
Comment: The genus Arthropteris has recently been put within the family of the Tectariaceae.
Worldwide: 1 genus and c. 40 species worldwide.