Fan palms are a group of palms characterized by their large, fan-shaped leaves. The term "fan palm" is a general one, encompassing various species with this distinctive leaf structure, belonging to different genera within the Arecaceae (palm) family. These palms are known for their slow growth and hardiness, with some species being suitable for landscaping and others for more specific uses like thatching or even as a food source. 

Here's a more detailed look at fan palms:

General Characteristics:

Leaves:

The most defining feature is their large, fan-shaped (palmate) leaves, which can be circular, paddle-shaped, or segmented like a half-moon. 

Growth:

They are generally slow growing, with some species reaching impressive heights over time. 

Hardiness:

Many fan palm species are relatively hardy and can tolerate various conditions, including drought and salt spray. 

Size:

Fan palms vary in size, from small, ornamental palms to large, towering trees. 

Specific Examples and Uses:

Chinese Fan Palm (Livistona chinensis):

Popular as an indoor potted plant and in landscaping, known for its arching fronds. 

California Fan Palm (Washingtonia filifera):

The only palm native to California, known for its tall, slender trunk and skirt-like appearance of dead leaves. 

Mexican Fan Palm (Washingtonia robusta):

Similar to the California fan palm but with a slightly more slender trunk and faster growth rate. 

Licuala grandis (Vanuatu Fan Palm):

A smaller, ornamental palm with glossy, dark green leaves. 

Uses:

Fan palm leaves and branches can be used for thatching, weaving, and firewood. Fruits from some species are edible and used in various culinary applications. 

Symbolism:

The Chinese Fan Palm is associated with prosperity and abundance in Feng Shui.