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Cordaites iowensis
Cordaites iowensis L.R. Wilson, A.W. Johnst. Bull. Torrey Bot. Club, 67(2): 119. 4 Feb 1940
- Name
- Cordaites iowensis
- Rank
- Species
- Generic Name
- [Genus] Cordaites
- Authors (Pub.)
- Wilson L. R.
Johnston A. W.
- Publication
- A new species of Cordaites from the Pennsylvanian strata of Iowa [1940/2]
- Journal
- Bulletin of the Torrey Botanical Club
- Volume
- 67
- Issue
- 2
- Page number
- 119
- Year
- 1940
- Fossil Status
- stems (with foliage)
- Stratigraphy
- Moscovian
- Strat. comment
- Desmoinesian
- Location
- What Cheer, Keokuk County, Iowa, USA
- Paleoregion
- Laurussia (Laurentia)
Data for Holotypus
- Repository
- Museum of Palaeontology, University of Michigan, Ann Arbor, USA
- Repository Number
- L.R. Wilson Collection # 4616
- Diagnosis
- Pith large, primary wood narrow and surrounded by a thick zone of secondary wood of the Dadoxylon type. Tracheidsf rom1 4.60, to 54.75kui n width, average 351xo, blongi n tranverses ectiona nd are fairlyr egulari n size. Bordered pits arrangedi n multipler ows in the firsts everal tracheidsp ossessing them,a nd in one row in the succeedingt racheids,a ll slightlyv erticallyf lattened. R ays narrow,v eryl ow (1 to 10 cells, usually 2), scatteredu, niseriate or rarelyb iseriate.R ay cells slightlyh ighert han wide, and in widtha bout half the cross diametero f the tracheids.R ays broadeninga s they approach the pith, dividingt he centrifugalp rimaryw ood region into wedge-shaped segment.
Nomenclatural synonyms (basionyms)
Species
