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Polypetalophyton
Genus Polypetalophyton B.-Y. Geng in J. Hilton, B.-Y. Geng, Kenrick Int. J. Pl. Sci., 164(5): 795. Sep 2003
- Name
- Polypetalophyton
- Rank
- Genus
- Authors (Name)
- Geng B.-Y.
- Authors (Pub.)
- Hilton J.
Geng B.-Y.
Kenrick P.
- Publication
- A novel Late Devonian (Frasnian) woody cladoxylopsid from China [2003/9]
- Journal
- International Journal of Plant Sciences
- Volume
- 164
- Issue
- 5
- Page number
- 795
- Year
- 2003
- Parent Taxon
- [Class] Cladoxylopsida
- Fossil Status
- stems (with branches)
- Type
- Polypetalophyton wufengense
- Diagnosis
- Plant with at least four orders of branching with successive branches produced irregularly in a helix, except for ultimate appendages, which are borne alternately to suboppositely in a single plane. Vegetative ultimate appendages flattened, two-dimensional, of the Sphenopteridium-type. Fertile appendages with isotomous divisions, bearing fusiform sporangia singly and terminally. Stele with several primary xylem segments each with protoxylem lacuna, metaxylem, and abundant radially aligned xylem with ray-like slits. Tracheids with both circular and scalariform bordered pits in uniseriate and biseriate arrangements.
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