Cycas petraea
Cycas petraea is a species of cycad exclusively found in Thailand. It is known to inhabit a specific range of limestone mountains adjacent to the Phu Kra Dueng massif in Phu Kradueng National Park, Loei Province. This species is distinguished by its unique geographic restriction.
Key Facts
- ›Endemic to Thailand.
- ›Known only from a single mountain range.
- ›Found in Phu Kradueng National Park, Loei Province.
- ›Grows on limestone mountains.
- ›Belongs to the Cycadaceae family.
Thailand
About Cycas petraea
Cycas petraea is a species of cycad that holds a highly restricted geographic distribution, being endemic exclusively to Thailand. This particular cycad is known to science only from a singular line of limestone mountains that runs along the eastern flank of the Phu Kra Dueng massif. This specific habitat lies within the boundaries of Phu Kradueng National Park, located in Loei Province, Thailand.
Botanical Characteristics
As a member of the Cycadaceae family, Cycas petraea shares general characteristics with other cycads, though its precise botanical features are not extensively detailed in available records. Its known habitat suggests an adaptation to rocky, calcareous substrates found in its mountainous environment. The species' existence is confined to this unique ecological niche, making its conservation and study particularly important for understanding regional biodiversity.
Source: Wikipedia ↗
Frequently Asked Questions
Where is Cycas petraea found?
Cycas petraea is found exclusively in Thailand. Its known habitat is restricted to a specific line of limestone mountains to the east of the Phu Kra Dueng massif, within Phu Kradueng National Park in Loei Province.
What type of environment does Cycas petraea grow in?
This cycad species thrives in a specific limestone mountain environment. It is found on the rocky outcrops and slopes of the mountains located in Phu Kradueng National Park.
Is Cycas petraea found outside of Thailand?
No, Cycas petraea is endemic to Thailand, meaning it is found naturally only in this country. Its distribution is further limited to a very specific geographic area within Thailand.
Related Cycad species
Cycas conferta
Cycas conferta is a species of cycad native to the Northern Territory in Australia, where it is found in rocky habitats. Its botanical characteristics are typical of the genus Cycas, with a stout trunk and pinnate leaves. The species is known for its adaptation to arid and rocky environments.

Dioon caputoi
Dioon caputoi is a species of cycad indigenous to Puebla, Mexico, specifically near Loma de la Grana. This cycad is characterized by its presence in dry scrubland habitats and its unique mutualistic relationship with the beetle Pharaxonotha bicolor, which acts as its primary pollinator. Critically endangered, its survival is dependent on protection within the Tehuacán-Cuicatlán Biosphere Reserve.
Ceratozamia latifolia
Ceratozamia latifolia is a species of cycad native to the cloud zone oak forests of the Sierra Madre Oriental in Mexico, specifically in the states of Querétaro, Hidalgo, and San Luis Potosí. This species is characterized by its broad leaves, a feature reflected in its specific epithet 'latifolia'. It belongs to the Zamiaceae family and plays a role in its unique ecological niche.