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Early Eocene plant-fossil assemblages (mostly of dispersed cuticle) from Strahan-Regatta Point, Tasmania, …


Biology Articles » Paleobiology » Paleobotany » Early eocene dispersed cuticles and mangrove to rainforest vegetation at Strahan-Regatta Point, Tasmania » Figures 21-28

Figures 21-28
- Early eocene dispersed cuticles and mangrove to rainforest vegetation at Strahan-Regatta Point, Tasmania

 

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Figure 21. Proteaceae. CUT-P-GDJ and CUT-P-EAA. 1. CUT-P NEW. TLM view showing several stomatal complexes (SL5412, scale-bar = 50 µm); 2. CUT-P NEW. TLM detail of a trichome base over two epidermal cells (left of centre), a stomatal complex (lower right). Other dark objects are mostly papillae (SL5412, scale-bar = 20 µm); 3. SEM view of inner cuticular surface showing four stomatal complexes, and papillate epidermal cells (S-1698, scale-bar = 10 µm); 4. SEM view of outer cuticular surface showing three stomatal complexes (note the irregular ridges surrounding them), papillate epidermal cells, and (upper right) a trichome base (S-1698, scale-bar = 10 µm); 5. CUT-P-EAA. TLM view showing several stomatal complexes (SB0688, scale-bar = 50 µm); 6. CUT-P-EAA. TLM detail of a two stomatal complexes (SB0688, scale-bar = 20 µm).

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Figure 22. 1-8. Proteaceae. CUT-P-EJI and CUT-P-EJD, 1. CUT-P-EJI. TLM view showing three stomatal complexes and a trichome base (SB0676, scale-bar = 50 µm); 2. CUT-P-EJI. TLM detail of a single stomatal complex (SB0676, scale-bar = 20 µm); 3. SEM view of outer cuticular surface showing a trichome insertion scare (left of centre) and a stomatal complex (to right) (S-1691, scale-bar = 10 µm); 4. SEM view of inner cuticular surface showing two stomatal complexes (S-1691, scale-bar = 10 µm); 5. CUT-P-EJD. TLM view showing several stomatal complexes (indistinct) and four dark trichome bases (SB0675, scale-bar = 50 µm); 6. CUT-P-EJD. TLM detail of a stomatal complex (lower left) and a dark trichome base (upper right) (SB0675, scale-bar = 20 µm); 7. CUT-P-EJD, SEM view of inner cuticular surface showing a trichome base (left) and a stomatal complex (right). Note virtual absence of epidermal cell anticlinal walls (S-1686, scale-bar = 10 µm); 8. CUT-P-EJD, SEM view of outer cuticular surface showing a trichome base (upper left) and a sunken stomatal complex (right) (S-1686, scale-bar = 10 µm).
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Figure 23. Gymnostoma sp. 1. TLM view showing three stomatal rows (SL5429, scale-bar = 50 µm); 2. TLM view of a stem with a leaf whorl (S-1714, scale-bar = 0.5 mm).
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Figure 24. Rhizophoraceae, fossil and extant. 1. CUT-Z-JAG. TLM view showing several stomatal complexes (note alignment and relatively small epidermal cells) SL5251, scale-bar = 50 µm); 2. CUT-Z-JAG. TLM detail of two stomatal complexes (SL5251, scale-bar = 20 µm); 3. CUT-Z-JAG. SEM view of inner cuticular surface showing single stomatal complex. Note most of subsidiary cell walls have collapsed (S-1545, scale-bar = 10 µm); 4. CUT-Z-JAG. SEM view of outer cuticular surface showing two stomatal complexes. Note prominent elliptical outer stomatal ledges (S-1545, scale-bar = 10 µm); 5. Extant Rhizophora mangle., TLM view showing three stomatal complexes (note alignment and relatively small epidermal cells) OPH3063, scale-bar = 50 µm); 6. Extant Bruguiera sexangula, TLM view showing several stomatal complexes. Note alignment and relatively small epidermal cells (CANB 231858, scale-bar = 50 µm); 7. Extant Pelliciera rhizophorae, TLM view showing three stomatal complexes. Note alignment and relatively small epidermal cells (OPH7495, scale-bar = 50 µm); 8. Extant Ceriops tagal, TLM view showing three stomatal complexes. Note alignment and relatively small epidermal cells (AQ109064, scale-bar = 50 µm).
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Figure 25. Aquifoliaceae, fossil and extant. CUT-Z-JJC. 1. CUT-Z-JJC. TLM view showing four stomatal complexes (SB0694, scale-bar = 50 µm); 2. CUT-Z-JJC. TLM detail of a single stomatal complex (SB0694, scale-bar = 20 µm); 3. CUT-Z-JJC. SEM view of outer cuticular surface showing two stomatal complexes (S-0326, scale-bar = 10 µm); 4. CUT-Z-JJC. SEM view of inner cuticular surface showing two stomatal complexes (S-0326, scale-bar = 10 µm); 5. Extant Ilex cornuta, TLM view showing several stomatal complexes. Note "giant" stomatal complex (lower left) (AQ447358, scale-bar = 50 µm); 6. Extant Ilex cornuta, TLM detail of three stomatal complexes (AQ447358, scale-bar = 20 µm).
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Figure 26. Aquifoliaceae, fossil and extant. 1. CUT-Z-JJB. TLM view showing several stomatal complexes, and longer and narrower "giant" stomatal complex (centre right)., SB0737, scale-bar = 50 µm); 2. CUT-Z-JJB. TLM detail of a single stomatal complex (SB0737, scale-bar = 20 µm); 3. CUT-Z-JJB. TLM view showing a slightly different morphology than in 1 (SB0395, scale-bar = 50 µm); 4. Extant Nemopanthus mucronata, TLM view showing several stomatal complexes, and longer and narrower "giant" stomatal complex (centre right). Compare with 1. (AQ214666, scale-bar = 50 µm).
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Figure 27. Aquifoliaceae, fossil and extant. 1. CUT-Z-ACB. TLM view showing two stomatal complexes, SB0335, scale-bar = 50 µm); 2. CUT-Z-ACB. TLM detail of a single stomatal complex (SB0335, scale-bar = 20 µm); 3. CUT-Z-JAF. TLM view showing four stomatal complexes, SB0347, scale-bar = 50 µm); 4. CUT-Z-JAF. TLM detail of a single stomatal complex (SB0347, scale-bar = 20 µm); 5. CUT-Z-ACB. SEM view of outer cuticular surface showing two stomatal complexes (S-1680, x600); 6. CUT-Z-ACB. SEM view of inner cuticular surface showing two stomatal complexes (S-1680, x600); 7. Extant Ilex godajam TLM view showing three stomatal complexes (AQ503240, scale-bar = 50 µm); 8. Extant Ilex alternifolia, TLM view showing several stomatal complexes (AQ214721, scale-bar = 50 µm).

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Figure 28. CUT-Z-JBB, 1. TLM view showing three areoles with papillae-covered cells separated by venal epidermal cells (SL5371, scale-bar = 50 µm); 2. TLM detail of papillae, with completely obscured stomatal complexes (SL5371, scale-bar = 20 µm); 3. SEM view of outer cuticular surface showing papillae entirely obscuring stomatal complexes (S-1699, x600 scale-bar = 20 µm); 4. SEM view of inner cuticular surface showing five deeply sunken stomata (S-1699, scale-bar = 10 µm); 5. TLM view showing widely-spaced papillae (SB0378, scale-bar = 50 µm); 6. TLM detail of widely-spaced papillae (SB0378, scale-bar = 20 µm); 7. TLM view showing closely-spaced papillae (SB0710, scale-bar = 50 µm); 8. TLM detail of closely spaced papillae (SB0710, scale-bar = 20 µm).

 


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