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Araucaria fimbriatus
Discussion
Specimenes examined: LRR1-1902, 1903, 1906, 1923.
Taxonomy
Araucaria fimbriatus was named by Hill (1990). It is not extant. It is considered to be a form taxon. Its type specimen is LRR1-1906.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Araucaria fimbriatus Hill pp. 218-219 figs. 42-46 |
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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.
†Araucaria fimbriatus Hill 1990
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. S. Hill 1990 | Leaves spirally arranged, 19-23 mm long, 6-8 mm wide. Numerous parallel veins present. Leaf amphistomatous. Stomatal plugs with smooth surface, highly extruded. Stomatal orientation predominantly parallel to long axis of leaf. Guard cells level with hyodermis, subsidiary cells usually four, sometimes five or six. Cuticle on subsidiary cells thick, granular, outer flange rim unthickened, irregular in outline. Flange between guarde and subsidiary cells smooth, inconspicuous. Small polar extensions sometimes present. Flange between guard cells smoorh, not heavily thickened, polar extensions absent. Cuticle on guard cells granular, with a very prominent irregular cuticular fringe running the length of the guard cell. Epidermal cell walls not sinuous, buttressing absent. Cuticle thick and sometimes partially enclosing inner epidermal cell wall surface. |