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Baibiancarpus
Genus Baibiancarpus Gandolfo in Gandolfo, Zamaloa, Cúneo, A. Archang. Int. J. Pl. Sci., 170(3): 420. Jun 2009
- Name
- Baibiancarpus
- Rank
- Genus
- Authors (Name)
- Gandolfo M. A.
- Authors (Pub.)
- Gandolfo M. A.
Zamaloa M. del C.
Cúneo N. R.
Archangelsky A.
- Publication
- Potamogetonaceae fossil fruits from the Tertiary of Patagonia, Argentina [2009/6]
- Journal
- International Journal of Plant Sciences
- Volume
- 170
- Issue
- 3
- Page number
- 420
- Year
- 2009
- Parent Taxon
- [Family] Potamogetonaceae
- Fossil Status
- fruits (endocarps)
- Type
- Baibiancarpus chubutensis
- Diagnosis
- Endocarps obovoid to oval, one seeded, bisymmetrical and granulate; basal stalk centrally or slightly displaced toward the dorsal side; apical beak on the ventral side; stalk and beak always opposite one another; ventral side slightly convex to sigmoid, dorsal side uniformly convex; distinctive internal process subapical near the ventral side, arising no more than one-third the length of the endocarp away from the apex. Seed lobed and curved around the internal process, basal (lower) lobe two and a half to four times larger than the apical (upper) lobe. Germination valve occupying the entire dorsal margin, lid keeled.
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