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Carinianoxylon
Genus Carinianoxylon A. Selm. Zitteliana, Ser. A, 43: 172. 15 Dec 2003
- Name
- Carinianoxylon
- Rank
- Genus
- Authors (Pub.)
- Selmeier A.
- Publication
- First record of a Lecythidaceae wood (Carinianoxylon brasiliense gen. et sp. nov.) from the Tertiary of the New World (Brazil, Rio Paranaiba) [2003/12]
- Journal
- Zitteliana
- Volume
- 43
- Page number
- 172
- Year
- 2003
- Parent Taxon
- [Family] Lecythidaceae
- Fossil Status
- wood
- Type
- Carinianoxylon brasiliense
- Diagnosis
- Growth rings distinct to indistinct. Vessels diffuse-porous, evcnly distributcd, small- to mediumsized, solitary or in radial multiples ot 2-3-(6), occasionally occurs a tendency toward formation of tangential groups, 6-11 (mean 8) vcssels per mm-', Perforation plates simple; lumina with thin tyloses, intervessel pits alternate. Fibrcs moderately tbick-walled. Axial parenehyma apotracheal in closely spaeed tangential lines, 1-2 cells wide , forming a conspieuous rcticulum with the rays; prismatic crystals in chambered axial parenehyma cells, long crystal-containing Strand s abundant. Rays 1 -2-scriate, occasionally with uniseriate parts, homocellular, but with a tendency to become heterocellular, ray heigth 200-1780 (mean 552) pm; 9-11 rays per mm tangential.
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