What is lion's head usually made of?

The bamboo used to make the lion's head is bamboos.

Bamboo is a tree-like bamboo plant of Gramineae and Dendrocalamus. The height of the rod can reach15m, the tip is slightly bent and the rod ring is flat; Strong uplift of the reed ring; Leaf sheaths deciduous early, thick papery to leathery, leaves lanceolate, thin, rough, with small downward serrations, flower branches with large panicle branches, hairless, pseudospikelets forming spherical clusters, lemma ovoid, similar to glume, but large and thin.

Close to membranous, palea is also membranous. When the stamens mature, they extend out of the flowers, and the filaments are thin and long. Anthers are yellow to purple, the ovary is oval and slender, the style is all slightly hairy, and the stigma is purple and pinnate. The fruit is broadly ovoid with a rounded base.