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Paraoxystigma
Genus Paraoxystigma R.S. Ramos, Brea, Kröhling J. S. Amer. Earth Sci., 79: 204. 10 Aug 2017
- Name
- Paraoxystigma
- Rank
- Genus
- Authors (Pub.)
- Ramos R. S.
Brea M.
Kröhling D. M.
- Publication
- Fossil woods of Detarioideae subfamily (Fabaceae) from El Palmar Formation (Late Pleistocene) in South America [2017/8]
- Journal
- Journal of South American Earth Sciences
- Volume
- 79
- Page number
- 204
- Year
- 2017
- Parent Taxon
- [Family] Fabaceae
- Fossil Status
- stems (wood)
- Type
- Paraoxystigma concordiense
- Diagnosis
- Diffuse-porous wood; short vessel
elements; simple perforation plates; small to minute, alternate and
vestured intervessel pits; vessel-ray parenchyma pits similar in size
and shape to intervessel pits; heterocellular rays (body ray cells
procumbent with one row upright and/or square marginal cells);
axial parenchyma scarce vasicentric, aliform to confluent and in
narrow bands or lines up to three cells wide; 3e6 cells per parenchyma
strand; diffuse axial canals similar in size and shape to the
diameter of the vessels; crystals in ray cells.
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