The correct term for a fern 'leaf' is a frond although "leaf" is perfectly acceptable.
The dots on a fern plant's leaves are called sori. Sori are clusters of sporangia, which are structures that contain and release spores for reproduction.
sori
synonym for a leaf cluster
the "leaf" of a fern is called a frond.
On the underside of fern leaves, you may find structures called sporangia, which are clusters that contain spores. These spores are crucial for fern reproduction. Additionally, you may also find sori, which are groups of sporangia clustered together.
the leaf of a fern plant
The word "sori" is the plural form of "sorus." According to Wikipedia, the free encyclopedia, "In ferns, a sorus (pl. sori) is a cluster of sporangia on the edge or underside of a fertile frond. In many species, they are protected by an umbrella-like cover called the indusium."Source: http://en.wikipedia.org/wiki/Sori
two types of star clusters are Open clusters and globular clusters
The symbole is a silver fern leaf. It is a leaf of the tree fern Cyathea dealbata.
Compound lead
sori