Australian Tropical Ferns and Lycophytes - Online edition

4.5.8 Pinna or pinnule base auricle


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Auricle acroscopic: enlarged lobe at the base of the lamina on side of leaflet base closer to leaf apex.
Auricle basiscopic: enlarged lobe at base of lamina on side of the leaflet further from leaf apex.
Leaflets not auriculate (no enlarged lobe present at base of lamina).
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