Back
Alasemenia
Genus Alasemenia De-M. Wang, J.-N. Yang, L. Liu, Y. Zhou, P. Xu, M. Qin, Pu Huang eLife, 13(RP92962): 3. 14 Oct 2023
- Name
- Alasemenia
- Rank
- Genus
- Authors (Pub.)
- Wang D.-M.
Yang J.-N.
Liu L.
Zhou Y.
Xu P.
Qin M.
Huang P.
- Publication
- Alasemenia, the earliest ovule with three wings and without cupule [2023/10]
- Journal
- eLife
- Volume
- 13
- Issue
- RP92962
- Page number
- 3
- Year
- 2023
- Parent Taxon
- [Class] Moresnetiopsida
- Fossil Status
- insynangescences (wih ovules)
- Type
- Alasemenia tria
- Diagnosis
- Dichotomous branches bearing terminal and acupulate ovules. Three broad wing-like integumentary lobes radially and symmetrically attached to each nucellus, distally tapered and proximally reduced. Integumentary lobes evidently extending outwards, with their free parts ca. 40% of ovule length. Individual integumentary lobes folding inwards along abaxial side. Nucellus largely adnate to integument.
Links by generics
Species
