Cycas changjiangensis
| Cycas changjiangensis | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Gymnospermae |
| Division: | Cycadophyta |
| Class: | Cycadopsida |
| Order: | Cycadales |
| Family: | Cycadaceae |
| Genus: | Cycas |
| Species: | C. changjiangensis
|
| Binomial name | |
| Cycas changjiangensis | |
| Synonyms | |
|
Cycas hainanensis subsp. changjiangensis (N.Liu) N.Liu | |
Cycas changjiangensis is a plant species in the cycad order, Cycadales. It is endemic to Hainan Island of southern China. It grows at elevations of 600–800 m.[1] It is found only in a small area in Bawangling 霸王岭国家森林公园, Changjiang County, western Hainan Province, China.
Cycas changjiangensis has a trunk up to 50 cm long but much of this is often subterranean. Leaves are pinnate, up to 130 cm long, with spines along the rachis. Leaflets are in 40-70 pairs, with prominent midveins on both surfaces. The green to yellow-brown seeds are less than 2 cm wide.[2][3][1]
This is an endangered species with perhaps 2000 individuals remaining in the wild.[4]
References
- ^ a b Flora of China v 4 p 6 Cycas changjiangensis
- ^ Liu, Nian. 1998. Acta Phytotaxonomica Sinica 36(6): 552–554, pl. 1. Cycas changjiangensis
- ^ Liu, Nian. 2004. Proceedings of the Sixth International Conference on Cycad Biology: Cycad 2002, Nong Nooch Tropical Botanical Garden, 29 July-3 August, Chonburi, Thailand p 3, Cycas hainanensis subsp. changjiangensis
- ^ Chen, J-R 2010. Cycas changjiangensis. The IUCN Red List of Threatened Species. Version 2015.2. Downloaded on 04 September 2015.