This affects leaves, fruit, rachises, and shoots of a plant. The pinnate leaves are usually large, with spiny petioles, rachises and leaf sheaths. Individuals have about 15 leaves with petioles and rachises; the leaves hang well horizontal. Individuals have about 15 leaves with rachises; the leaves hang well horizontal. The leaves, petioles, and rachises are lightly or densely covered in scales. Rhinophores and gills are blue, branchial leaves are with black rachises. The leaves have rachises, which are vine-like and may climb other vegetation. Paul measured some of the inner primary feathers, finding rachises across. Rachises are green, , and lack spines. In young plants the trunks, petioles and rachises are covered in spines. The branches may have purple rachises and the spikelets may be purple-tinged. Rachises are , and covered with spines similar to those of the petiole.