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Catahoulea
Genus Catahoulea DeVore, Pigg, Dilcher, Freile Monogr. Syst. Bot. Missouri Bot. Gard., 128: 42. 14 Sep 2014
- Name
- Catahoulea
- Rank
- Genus
- Authors (Pub.)
- DeVore M. L.
Pigg K. B.
Dilcher D. L.
Freile D.
- Publication
- Catahoulea grahamii, a new genus and species of fagaceous involucres from the Oligocene Catahoula Formation, Central Texas, and the Middle Eocene Claiborne Formation of Kentucky and Tennessee, U.S.A. [2014/9]
- Journal
- Monographs in systematic botany from the Missouri Botanical Garden
- Volume
- 128
- Page number
- 42
- Year
- 2014
- Parent Taxon
- [Family] Fagaceae
- Fossil Status
- fruits (involucres)
- Type
- Catahoulea grahamii
- Diagnosis
- Small, spinose involucres with fibrous bodies, shield-shaped with a deeply cordate base and pointed apex; involucre enclosing up to three ovoid nutlets; central nutlet larger, flanked by 2 smaller nutlets; ovule attached to a central septum in apical portion of the larger nutlet; central body of involucre with 4 or 5 major parallel veins that branch laterally, periphery of involucre expanded into a prominent flange; flange densely covered with helically arranged, branched spines. Peduncle long, covered with two sizes of trichomes.
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