Infected leaves may be crinkled, puckered, or elongated. The upturned part is triangular and the edges of the labellum are slightly crinkled. The foliation is commonly crinkled or wavy in appearance. The blades have smooth or shallowly toothed edges which are sometimes rolled under or crinkled. The labellum has a grainy texture and its edges are crinkled. The standards are oblanceolate, wavy edged (or crinkled), measuring long. As lesions enlarge and leaf damage progresses, symptomatic leaf edges become dry, dead, and crinkled. The leaves are long with a densely crinkled surface, and are covered in downy hairs. It has large, broad leaves, the edges of which are crinkled and undulating. It is a rosette-forming evergreen perennial growing to high by broad, with oval, crinkled leaves. During culling, seedlings that have grassy, crinkled, twisted, or rolled leaves are discarded. The inner three tepals are smaller and crinkled like cloth and may curl under. "Crispum" refers to the crisped, crinkled leaf-margins. The flannel moths or crinkled flannel moths (scientific name Megalopygidae) are a family of insects. The leaves are opposite, crinkled, downy on the underside, less so on the upper surface.