Calycosperma Le Liu, De M.Wang, M.C.Meng, P.Huang et J.Z.Xue
Plant Fossil Names Registry Number: PFN000285
Act LSID: urn:lsid:plantfossilnames.org:act:285
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
Calycosperma qii Le Liu, De M.Wang, M.C.Meng, P.Huang et J.Z.Xue
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. Synangiate pollen organs terminating isotomously divided fertile branches. Each synangiate pollen organs consisting of elongate microsporangia that are basally fused and distally free.
From Greek word “calyc-” (cup-like) and “sperma” (seed), referring to the basally fused, goblet-shaped cupules.