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Thujoxylon
Genus Thujoxylon Süss, E. Velitzelos Feddes Repert., 109(5-6): 342. Aug 1998
- Name
- Thujoxylon
- Rank
- Genus
- Authors (Pub.)
- Süss H.
Velitzelos E.
- Publication
- Thujoxylon antissum sp. nov, ein fossiles Wurzelholz aus tertiären Schichten des Versteinerten Waldes von Lesbos, Griechenland [1998/8]
- Journal
- Feddes Repertorium
- Volume
- 109
- Issue
- 5-6
- Page number
- 342
- Year
- 1998
- Parent Taxon
- [Family] Cupressaceae
- Fossil Status
- stems (wood)
- Type
- Thuja xantholitica
- Diagnosis
- Growth layers distinct with a gradual or abrupt
transition from early to late wood, in root wood
late wood constituted mostly of only one row
of tracheids, tracheids rectangular in cross
section, bordered pits on radial tracheid walls
round (abietoid), mostly in one horizontaly
row, in root wood arranged in two to three
rows; wood parenchyma absent or sparcely
present, rays uniseriate, seldom partially two
rows, 1-12 cells high, occasionally higher, in
root wood mostly 1-2 cells high, cells long
elliptical, 15-20 pm high, in root wood
15-40 pm high, walls thin and smooth
(abietineous pitting absent), indentures present,
in root wood feebly developed or absent, in the
cross-field simple circular and cupressoide pits
present, 2-6 mostly in one row.
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