Cycas pruinosa is a small to medium species of cycad, a palm-like seed plant. It is a widespread but sporadic species in the eastern and southern Kimberley region of Western Australia, occurring also in the Spirit Hills on Bullo River Station in the Northern Territory.
Cycas chamaoensis is named after the only known habitat of this species, on and near Khao Chamao mountain in Khao Chamao District, Thailand. Stems are arborescent, either erect or decumbent. Leaves numerous, exceeding 60 per crown, 1.2-2.5 meters in length, ending in terminal spine. Petiole 30–60 cm, glabrous and partially spiny. Leaflets in 85-155 pairs, and lanceolate, glabrous and angled forward at 60-70 degrees.
Cycas ferruginea is a plant species native to Vietnam and to the Guangxi region of China. It grows on rocky crevices in forested areas at elevations of 200–500 m. It is known from a belt of limestone bluffs in Lang Son Province and Thai Nguyen Province in Vietnam, and in western Guangxi Province, China. It is also cultivated at the Guilin Botanical Garden, Guangxi.
Cycas clivicola is a species of cycad in Thailand, Cambodia, Vietnam, and Malaysia. It is found on limestone outcrops, as well as on offshore islands.
Cycas diannanensis is a species of cycad endemic to Yunnan, China.
Cycas elephantipes is a species of cycad. It is found only on a few high sandstone mesas in Nong Bua Rawe District, Chaiyaphum Province, northeastern Thailand. It is morphologically similar to Cycas pachypoda from southern Vietnam.
Cycas falcata is a little-known species of cycad endemic to Indonesia. It is found in Southeast Sulawesi and Kabaena Island.
Cycas fairylakea is a species of cycad endemic to China. There are only two subpopulations left in eastern Guangdong province, China.
Cycas sexseminifera is a species of cycad in northern Vietnam and southern China.
Cycas petraea is a species of cycad endemic to Thailand.
Cycas papuana is a species of cycad endemic to Papua New Guinea. It is found in Western Province, including the floodplains of the Fly River and near Daru to the west, and also extending to the Bensbach River.
Cycas guizhouensis is a species of cycad endemic to southwestern China.
Cycas fugax is a species of cycad endemic to Vietnam. It has only been recorded in the wild from Phu Tho Province, Vietnam, but may be reasonably common in cultivation in Hanoi.
Cycas hainanensis is a species of cycad in Hainan, China. It is protected in some forest reserves and in Tongguling National Nature Reserve (铜鼓岭国家级自然保护区), Wenchang County. In Hainan, it is also found in Wanning and Haikou districts.
Cycas maconochiei is a species of cycad, endemic to Australia's Northern Territory. This species has three subspecies C. maconochiei ssp. maconochiei, C. maconochieissp. lanata and C. maconochiei ssp. viridis.
Cycas macrocarpa is a species of cycad in Malaysia and Thailand.
Cycas nongnoochiae is a species of cycad in Thailand. It is found only on limestone outcrops in Tak Fa District, Nakhon Sawan Province, central Thailand.
Cycas wadei is a species of cycad endemic to Culion island, Philippines. There is only one subpopulation of about 5,000 mature individuals, located in a small area to the east of Halsey Harbor.
Cycas szechuanensis is a species of cycad endemic to eastern China. It is known from eastern Guangdong and eastern Fujian provinces, China. It is also cultivated at Fuhu Temple (伏虎寺), Mount Emei, Sichuan.
Cycas shanyaensis is a species of cycad endemic to Hainan, China.
