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A lycopsid with novel reproductive structures from the Upper Devonian of Jiangsu, China

Berry, Christopher Mark, Wang, Yi and Chongyang, Cai 2003. A lycopsid with novel reproductive structures from the Upper Devonian of Jiangsu, China. International Journal of Plant Sciences 164 (2) , pp. 263-273. 10.1086/346170

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Abstract

A new lycopsid is described from the Upper Devonian (Famennian) of Wuxi, Jiangsu Province, China. It has isodichotomous branches and long leaves with spiny margins. Two types of fertile structures are present. Megasporangia‐bearing conelike structures are found at dichotomies of the branches, having large, densely inserted leaves with enlarged bases, bearing adaxial sporangia containing large megaspores. The other type are terminal cones, having slender, closely inserted leaves, and dark carbonaceous areas adjacent to the axis are interpreted as the remains of microsporangia. The new plant closely resembles lycopsids previously reported from the Middle and lower Upper Devonian of China, but the reproductive characters are more advanced. It demonstrates that the early history of large lycopsids is more complex than has been recognized. We name the new plant Wuxia bistrobilata gen. et sp. nov.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Subjects: Q Science > QE Geology
Additional Information: Pdf uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/1058-5893/ (accessed 21/02/2014).
Publisher: University of Chicago Press
ISSN: 1058-5893
Date of First Compliant Deposit: 30 March 2016
Last Modified: 04 Jun 2017 02:09
URI: http://orca.cf.ac.uk/id/eprint/10035

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