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Nothofagus cethanica
Taxonomy
Nothofagus cethanica was named by Hill (1984) [Type locality: Cethana, Tasmania.]. Its type specimen is Holotype: Specimen UTGD122126, housed in the Geology Department, University of Tasmania., a leaf, and it is an impression. Its type locality is Cethana Dam, which is in an Oligocene lagoonal siltstone/sandstone in Australia.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Nothofagus cethanica Hill p. 82 fig. 2 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Nothofagus cethanica Hill 1984
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. S. Hill 1984 | Leaf usually symmetrical at base, ovate. Leaf length 3.2-6.0 cm, width 2.4-3.5 cm. Leaf apex acute, base obtuse. Leaf margin irregularly serrate. Serration sinus rounded or acute, basal side convex, apical side straight or concave. Subsidiary serrations common, approximately 3 serrations per secondary vein. Venation simple craspedodromous, with 9-12 alternate secondary veins arising at 40-80 ° from the primary vein. Intersecondary veins absent. Tertiary veins weakly percurrent. Secondary veins and major branches run straight into serrations. Fimbrial vein present. Base of serration sinus with a well developed vein plexus composed of two or more tertiary veins and the fimbrial vein. |