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New Discoveries of Cycads and Advancement of Conservation of Cycads in China
Chia Jui Chen and Nian Liu
Vol. 70, No. 1 (Jan. - Mar., 2004), pp. 93-100
Stable URL: http://www.jstor.org/stable/27571180
Page Count: 8
You can always find the topics here!Topics: Botanical gardens, Plants, Species, Synonyms, New species, Seeds, Biology, Conservation biology, Tree trunks, Censuses
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From 1997 to 1999 Cycas debaoensis Y. C. Zhong & C. J. Chen and C. changjiangensis N. Liu were described from South China. The wild populations of Cycas szechuanensis were discovered in Fujian. Cycas guizhouensis K. M. Lan & R. F. Zou at the higher elevations and C. segmentifida D. Y. Wang & C. Y. Deng at the lower elevations along the Nanpanjiang River should be good species, which were treated by Chen and Wang (1995) and Chen and Stevenson (1999) as synonyms for C. szechuanensis. However, 11 other new species have been reduced by Chen and Stevenson (1999) and the present authors. They are C. longlinensis Huang T. Chang & Y. C. Zhong, C. xilinensis Huang T. Chang & Y. C. Zhong, C. multifida Huang T. Chang & Y. C. Zhong, C. longiconifera Huang T. Chang & Y. C. Zhong, and C. acuminatissima Huang T. Chang & Y. C. Zhong, all treated as synonyms of C. segmentifida. Cycas spiniformis J. Y. Liang, C. longisporophylla F. N. Wei, C. septermsperma Huang T. Chang & H. X. Zhang, C. brevipinnata Huang T. Chang et al. should be synonyms for C. exseminifera F. N. Wei. Cycas miquelii Warb. and Epicycas miquelii (Warb.) de Laub. should be the synonyms for C revoluta because their "type" specimens are somewhat like C. revoluta. The Honghe Nature Cycad Reserve for Cycas multipinnata and C. hongheensis was recently established in Yunnan. The Debao Cycad Reserve will be established soon. However, most existing cycad reserves in China have not been so successful because of shortages of funding and poor management. In ex situ conservation the Qingxiushan Cycad Garden in Nanning, Guangxi, was established. Cycad nurseries have begun to appear in some villages in South China.
Botanical Review © 2004 New York Botanical Garden Press