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Laurophyllum pubescens
Taxonomy
Laurophyllum pubescens was named by Hill (1986) [Number of specimens. One.
Parataxon NER/016 Hill 1982, p. 66, pl. 2 fig. 18.]. Its type specimen is Holotype: N-0077, housed in the Botany Department, University of Tasmania., a leaf (Cuticles), and it is a compression fossil. Its type locality is Nerriga Flora, which is in an Eocene/Eocene fluvial-lacustrine siltstone/mudstone in Australia.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Laurophyllum pubescens Hill p. 343 figs. 3 C, 16 A-G |
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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.
†Laurophyllum pubescens Hill 1986
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. S. Hill 1986 | Lamina. Obovate. Leaf base acute, probably symmetrical; apex unknown. Leaf length at least 5.8 cm, width 1.9 cm. Petiole normal. Venation. Primary vein massive. Venation pattern weakly brochidodromous. About 10 uniformly curved secondary veins arise from the primary vein at a uniform angle of 50°. Simple intersecondary veins common. Tertiary veins weakly percurrent. Lower epidermis. Non-venous cells irregular, with a variable number of sides and straight or slightly curved walls. Cuticular flanges irregularly thickened. Flanges extend between epidermal cells and over mesophyll cells. Venous cells longer and narrower than non-venous cells. Stomata confined to areoles, oriented at random. Cuticle extends into the substomatal cavity. Trichome bases with a small, irregularly shaped, thickened foot cell and radial basal cells occur commonly over and between veins. Trichomes not preserved. Upper epidermis. Non-venous cells as for lower epidermis. Cuticular flange extends between epidermal cells and over mesophyll cells. Venous cells more regular than nonvenous cells. Trichome bases similar to those on the lower epidermis occur only over veins. Trichomes not preserved. |