Genus Latisemenia De-M. Wang, Basinger, Pu Huang, L. Liu, J.-Z. Xue, M.-C. Meng, Yin-Y. Zhang, Z.-Z. Deng Proc. Roy. Soc. Biol. Sci. Ser. B, 282(20151613): 2. 14 Oct 2015
- Authors (Pub.)
- Wang D.-M.
Basinger J. F.
- Latisemenia longshania, gen. et sp. nov., a new Late Devonian seed plant from China [2015/10]
- Proceedings of the Royal Society
- Page number
- Parent Taxon
- [Class] Moresnetiopsida
- Fossil Status
- insynangescenceswith ovules (with ovules)
- Latisemenia longshania
- Fertile axis bearing one terminal ovule and two opposite ovules. Cupules uniovulate and consisting of several free segments; cupule segments five per terminal ovule, elongate cuneate and extending about three-fifths of length of ovule; cupule segments per non-terminal ovule at least three. Ovules oval in shape, radially symmetrical with four integumentary lobes that are flattened and fused for one-half to two-thirds of total length of ovule. With exception of apex, nucellus adnate to fused part of integument. Nucellar apex well below tip of integumentary lobes.
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