| Cycas papuana | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Cycadophyta |
| Class: | Cycadopsida |
| Order: | Cycadales |
| Family: | Cycadaceae |
| Genus: | Cycas |
| Species: | C. papuana |
| Binomial name | |
| Cycas papuana F.Muell. | |
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. [1]
Cycas is a genus of plants belonging to a very ancient lineage, the Cycadophyta, which are not closely related to palms, ferns, trees or any other modern group of plants. They are evergreen perennials which achieved their maximum diversity in the Jurassic and Cretaceous periods, when they were distributed almost worldwide. At the end of the Cretaceous, when the non-avian dinosaurs became extinct, so did most of the cycas in the Northern Hemisphere.
Cycas balansae is a species of cycad in the genus Cycas, native to southwestern China and adjacent northern Vietnam, where it occurs in dense mountain rainforests.
Cycas beddomei is a species of cycad in the genus Cycas, native to India, where it is confined to a small area of Andhra Pradesh state in the Tirumala Hills in scrubland and brush covered hills.
Cycas taitungensis is a species of genus Cycas endemic to Taitung County, south-eastern Taiwan. C. taitungensis, an evergreen tree, can grow up to about 5 m (16 ft) tall. The species was not described until 1994, but its specimen was once applied as the type of species Cycas taiwaniana, which is not really distributed in Taiwan according to the further research.
Cycas annaikalensis is a Critically Endangered species of cycad in the genus Cycas, native to the state of Kerala in India, where it is endemic to the Annaikal Hills near Palakkad. It was discovered in 2006. There are less than 100 individuals remaining.
Cycas multipinnata is a species of cycad in southwestern China and northern Vietnam.
Cycas curranii is a species of cycad endemic to the Philippines.
Cycas diannanensis is a species of cycad endemic to Yunnan, China.
Cycas dolichophylla is a species of cycad in northern Vietnam and southern 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 riuminiana, commonly known as the Arayat pitogo or simply pitogo, is a species of cycad endemic to Luzon, Philippines. It is also locally known as bayit in Tagalog and sawang in Ilocano, among other names.
Cycas lindstromii is a species of cycad endemic to southern Vietnam. It is found in Ba Ria-Vung Tau, Binh Thuan, Khanh Hoa, and Ninh Thuan provinces, Vietnam.
Cycas macrocarpa is a species of cycad in Malaysia and Thailand.
Cycas zambalensis is a species of cycad endemic to Luzon, Philippines.
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 tanqingii is a species of cycad in China and Vietnam. It is found in Luchun County, southern Yunnan Province, China, and in Lai Chau Province, Vietnam. In China, it is located in the Xiaoheidiang River and Heishui River watersheds. In Luchun County, it is protected in Huanglian Mountain National Nature Reserve. It is also cultivated at the Shenzhen Fairy Lake Botanical Garden and at the Forestry Bureau of Luchun County.
Cycas saxatilis is a species of cycad found only on Saint Paul's Mountain, Palawan, Philippines.
Cycas shanyaensis is a species of cycad endemic to Hainan, China.
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