ABSTRAK
Ukel, Crozier, or Fiddlehead is a term for a fern leaf bud with circinnate type. These structure is one of the distinctive character found in ferns. In this article, some aspects related to the fern leaf bud will be discussed, include the origin of local name, list of non-circinnate type, developmental process, morphological diversity and potential utilization. This article is expected to further increase the interest of researcher and utilize these attractive and unique structure.