Cycas panzhihuaensis explained

Cycas panzhihuaensis is a rare and vulnerable species of cycad known in the wild only from Sichuan and Yunnan provinces in China. It can be seen at the South China Botanical Garden in Guangzhou and is also cultivated for horticulture, where it is often known as the Dukou sago palm.^{[1] [2]}

Range

In China, Cycas panzhihuaensis is found in:^[3]

• Sichuan province: Ningnan County and Panzhihua [Dukou 渡口] (Baguan River and Jinsha River area)
• Yunnan province: Huaping County and Yuanmou County. Populations in Luquan County are shrinking.^[4]

Description

The species is similar to C. pectinata Buchanan-Hamilton but can be distinguished by its unbranched trunk and smaller seeds (up to 3.5 cm long).

Cycas panzhihuaensis L. Zhou & S. Y. Yang in L. Zhou et al., Acta Phytotax. Sin. 19: 335. 1981.^[5]

Notes and References

1. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200005228 Flora of China vol 4 page 5.
2. Web site: Cycads . 20 January 2010 . January 17, 2014.
3. Whitelock, Loran M. 2002. The Cycads. Portland: Timber Press.
4. Zheng Y, Liu J, Feng X, Gong X. 2017. The distribution, diversity, and conservation status of Cycas in China. Ecol Evol. 2017;7:3212–3224. https://doi.org/10.1002/ece3.2910
5. L. Zhou et al., Acta Phytotaxonomica Sinica 19: 335. 1981.