Furcula granulifer

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Furcula is a genus of extinct plant from Late Triassic Greenland. It contains one species, F. granulifer. The leaves of Furcula have complex net-like veins like those of angiosperms (flowering plants); because of this, it was long considered a possible stem-group angiosperm. However, a recent reinvestigation suggests it is a peltasperm (a type of "seed fern") that convergently evolved angiosperm-like veins.[2][3]

Furcula granulifer
Temporal range: Late Triassic (Rhaetian), 201 Ma
Venation plus diagrams interpreting the venation of Furcula
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Order: Peltaspermales
Genus: Furcula
Harris, 1932[1]
Species:
F. granulifer
Binomial name
Furcula granulifer
Harris, 1932
Artistic reconstruction of the Furcula granulifer plant

References

edit
  1. ^ Harris, T.M. (1932). The Fossil Flora of Scoresby Sound, East Greenland: Part 2: Description of seed plants incertae sedis together with a discussion of certain cycadophyte cuticles. pp. 4–7.
  2. ^ Coiro, Mario; McLoughlin, Stephen; Steinthorsdottir, Margret; Vajda, Vivi; Fabrikant, Dolev; Seyfullah, Leyla J. (2024-04-16). "Parallel evolution of angiosperm-like venation in Peltaspermales: a reinvestigation of Furcula". New Phytologist. 242 (6): 2845–2856. doi:10.1111/nph.19726. ISSN 0028-646X. PMID 38623034.
  3. ^ "Seed ferns: Plants experimented with complex leaf vein networks 201 million years ago". ScienceDaily. Retrieved 2024-04-19.