Lygodiaceae
Australian Tropical Ferns and Lycophytes - Online edition
Lygodium japonicum
Lygodium japonicum (Thunb.) Sw.
Link to Australian Plant Name Index for publication details and synonyms: https://id.biodiversity.org.au/name/apni/100393
Japanese climbing fern
Rhizome short-creeping. Juvenile fronds unknown. Rachis sparsely pubescent, subterete, flattened on 1 side with ridged edges; primary rachis branches c. 2 mm long; secondary pinnae broadly lanceolate-triangular, 10–17 cm long, 7–17 cm wide, often broader than long, 3-pinnate; pinnule stalks reducing in length towards pinna apex; basal tertiary pinnules 3–8 cm long, 2.5–8 cm wide; ultimate pinnules ovate, lanceolate to triangular; sterile pinnules fused, palmately-lobed; terminal lobe much longer, membranous, sparsely pubescent; base ±hastate; margins entire or crenulate; veins free; sporogenous pinnules smaller and more finely dissected than sterile ones. Sporogenous lobes 1–5 mm long.
Recorded from Darwin NT. Also widespread in Asia.
A terrestrial fern with climbing fronds, usually found growing in open vine forest or moist sclerophyll forest.
Probably introduced.
Field AR, Quinn CJ, Zich FA (2022) Australian Tropical Ferns and Lycophytes. apps.lucidcentral.org/fern/text/intro/index.htm (accessed online INSERT DATE).
Field AR, Quinn CJ, Zich FA (2022) ‘Platycerium superbum’, in Australian Tropical Ferns and Lycophytes. apps.lucidcentral.org/fern/text/entities/platycerium_superbum.htm (accessed online INSERT DATE).