Diplazium dilatatum —Lady Fern—ATRHYRIACEAE

Diplazium dilatatum

Link to Images on Flickr.

Habitat— Grows in rainforest.

Distribution— North from Wauchope district in New South Wales and into Queensland

Description—A terrestrial fern, tufted or with a small trunk. Rhizome erect, forming a short trunk to 60 cm high, covered with elongated, dull, dark brown scales.

Local occurrences

Boorganna Nature Reserve, Dorrigo National Park Royal Botanic Gardens Sydney

Fronds.— Almost erect, mostly 0.4 to 1.2 m long, rarely to 2 m long; stipe stout and fleshy, dark at the base, paler above; secondary rachises not much darker at their junction with the main rachis; lamina dark green, herbaceous, to 1 m wide, 2–pinnate with secondary pinnae lobed commonly halfway to the midvein.

Diplazium dilatatum
Diplazium dilatatum

Sori.—Numerous, mostly 1.5 to 2 mm long, ± paired and forming a series of Vs below each lobe.