Calycosperma qii Le Liu, De M.Wang, M.C.Meng, P.Huang et J.Z.Xue

Plant Fossil Names Registry Number: PFN000284


Authors: L. Liu, D. M. Wang, M. C. Meng, P. Huang & J. Z. Xue

Rank: species

Genus: Calycosperma Le Liu, De M.Wang, M.C.Meng, P.Huang et J.Z.Xue

Reference: Liu, L., Wang, D. -M., Meng, M. -C., Huang, P. & Xue, J. -Z. (2018): A new seed plant with multi-ovulate cupules from the Upper Devonian of South China. – Review of Palaeobotany and Palynology 249: 80–86.

Page of description: 81

Illustrations or figures: pls I–III

Name is type for

Calycosperma Le Liu, De M.Wang, M.C.Meng, P.Huang et J.Z.Xue 2018


Holotype PKUB15301, School of Earth and Space Sciences, Peking University, Beijing, China
Figures: pl. I, fig. 1

Note: Paratype: PKUB15302a, b; PKUB15303a, b (pl. I, figs 4, 5); PKUB15304 (pl. I, fig. 7); PKUB15305 (pl. fig. 8).

Original diagnosis/description

Multi-ovulate cupule goblet-shaped, singly terminating a stalk, with basal two-third fused and distal one-third dissected into 16 linear tips. Outer surface of cupule smooth. Each cupule bearing two ovules at the fused lower part. The tops of the ovules belowthe bases of linear cupule tips. Synangiate pollen organ terminating isotomously divided fertile branches and consisting of three to six elongate microsporangia with round or tapered tips.


The species is named after Mr. Dun-Lun Qi, for his great assistance to the study of Late Devonian plants in South China.


Devonian, Upper Devonian, Famennian
Guanshan Member of Wutong Formation


Fanwan village, Hongqiao Town, Changxing County, Zhejiang Province (30°58′03″N and 120°02′24″E)

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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