wai.maka.nui
n.
1. An endemic fern (Thelypteris keraudreniana), with large, broad, pale, subdivided fronds, the last divisions triangular or oblong, the spores arranged in small dots scattered on the frond back. Also alaʻalai.
2. A native fern (Pteris excelsa), with large, broad, bright-green, subdivided fronds, in general like waimakanui 1, but the last divisions longer and subfalcate, and the spores arranged in a line under the curled frond margin.