This large fern, with fronds approximately 2m in length, is bipinnate. Leaves are glossy with a rusty green color. Brown dots are present on the underside.
Simple, oil dots, paler green underside, venation <30 degrees
Simple, alternate leaves
Stipules
No oil dots
Leaf length breadth ratio 1.5-4.0
Smooth leaf margin with no intramaginal vein
Raised midrib
30-60 lateral vein angle
Smooth undersurface
a. Family – Vitaceae
b. Compound leaves
c. Alternate arrangement
d. Toothed leaf margin
e. Smooth undersurface
f. Undersurface is a paler green than upper surface
g. Leaf venation – 8-20 veins on each side of the midrib
h. Stipules present
i. Lateral vein angle is 30-60 degrees
j. Opposite leaflet arrangement
k. Terminal leaflet is present
l. Sheathing stem
m. More than 20 leaflets on each leaf
Tentative ID based on smooth calyptra and collection records in this area