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Pygmaeoxylon
Genus Pygmaeoxylon Estrada-Ruiz, Upchurch, E.A. Wheeler, G.H. Mack Int. J. Pl. Sci., 173(4): 423. May 2012
- Name
- Pygmaeoxylon
- Rank
- Genus
- Authors (Pub.)
- Estrada-Ruiz E.
Upchurch G. R., Jr.
Wheeler E. A.
Mack G. H.
- Publication
- Late Cretaceous angiosperm woods from the Crevasse Canyon and McRae Formations, South-Central New Mexico, USA: Part 1 [2012/5]
- Journal
- International Journal of Plant Sciences
- Volume
- 173
- Issue
- 4
- Page number
- 423
- Year
- 2012
- Parent Taxon
- [Subclass] Magnoliidae
- Fossil Status
- stems (wood)
- Type
- Pygmaeoxylon pauciporum
- Diagnosis
- Growth rings indistinct, wood diffuse porous; vessels solitary and in radial multiples of two (to four), less than 100 mm in diameter; perforation plates exclusively simple. Intervessel pits alternate; vessel-ray parenchyma pits with reduced borders and horizontally elongate; fibers nonseptate; axial parenchyma scanty paratracheal; wide multiseriate rays present without uniseriate margins. Idioblasts in the rays.
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