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