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Doroteoxylon
Genus Doroteoxylon M. Nishida, H. Nishida, Tak. Ohsawa Proc. NIPR Symp. Polar Biol., 2: 205. Sep 1989
- Name
- Doroteoxylon
- Rank
- Genus
- Authors (Pub.)
- Nishida M.
Nishida H.
Ohsawa T.
- Publication
- Comparison of the petrified woods from the Cretaceous and Tertiary of Antarctica and Patagonia [1989/9]
- Journal
- Proceedings of the NIPR Symposium on Polar Biology
- Volume
- 2
- Page number
- 205
- Year
- 1989
- Parent Taxon
- [Class] Magnoliopsida
- Fossil Status
- stems (wood)
- Type
- Doroteoxylon vicente-perezii
- Diagnosis
- Wood ring porous. Pores moslty solitary, 16-21 per square mm in the early wood, or solitary and in cluster, 8-17 per square mm in the late wood. Vessel segments short less than 300m in length, with horizontal or slightly oblique end walls. Perforation plate simple; intervessel pittings alternately arranged circular or hexagonal; tyloses abundant; spiral thickenings present. Wood parenchyma vasicentric and surround vessels. Rays 1-17 cells wide; sheath cells on the peripheries of broad rays. Ray-vessel pits elliptical and arranged alternately.
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