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Gymnostoma tasmanianum
Gymnostoma tasmanianum G.R. Guerin, R.S. Hill Int. J. Pl. Sci., 164(4): 632. Jul 2003
- Name
- Gymnostoma tasmanianum
- Rank
- Species
- Generic Name
- [Genus] Gymnostoma
- Authors (Pub.)
- Guerin G. R.
Hill R. S.
- Publication
- Gymnostoma tasmanianum sp. nov., a fossil Casuarinaceae from the Early Oligocene of Little Rapid River, Tasmania, Australia [2003/7]
- Journal
- International Journal of Plant Sciences
- Volume
- 164
- Issue
- 4
- Page number
- 632
- Year
- 2003
- Fossil Status
- inflorescences (male)
- Stratigraphy
- Rupelian
- Location
- Little Rapid River, Tasmania, Australia
- Paleoregion
- Australia
Data for Holotypus
- Repository
- Botany Department, University of Adelaide, Adelaide, Australia
- Repository Number
- LRR2 154
Data for Paratypus
- Repository
- Botany Department, University of Adelaide, Adelaide, Australia
- Repository Number
- LRR1 287 (fig. 2A), LRR1 1774–75, LRR1 1776 (fig. 1D), LRR1 4009 (fig. 2B, 2C), LRR1 4010–4011, LRR2 031-033, LRR2 034 (figs. 1C, 2D), LRR2 035–036, LRR2 037, LRR2 038–039, LRR2 331 (fig. 1B), LRR2 332–333, LRR2 334 (fig. 1A).
- Diagnosis
- Teeth acute at apices and sinuses and slightly obtuse in shape. Stomata in two to five (commonly two to three) rows within bands. Trichomes absent. Teeth small in length and width (0.27–0.47 mm and 0.14–0.27 mm, respectively), articles short in length (0.86–2.27 mm). Stomata small in length and width (guard cells 13.3–21.6 mm long x 6.4–9.3 mm wide; guard cells and subsidiary cells 13.3–22.4 mm long x 9.6–21.8 mm wide).
