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Libocedrus morrisonii
Taxonomy
Libocedrus morrisonii was named by Hill and Carpenter (1989). It is not extant. It is considered to be a form taxon. Its type specimen is P-343, a leaf.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Libocedrus morrisonii Hill and Carpenter p. 97 figs. 3A, B 4E, F |
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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.
†Libocedrus morrisonii Hill and Carpenter 1989
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. S. Hill and R. J. Carpenter 1989 | Branches partially flattened, with opposite pairs of lateral and facial leaves. Facial leaves up to 1.5 mm long and up to 0.7 mm wide, the free portion about the same size and shape as the visible attached portion. Leaf apex acute, apical portion slightly keeled. Lateral leaves not fused to facial leaves, with a strongly developed margin, up to2.5 mm long and up to 0.6 mm wide. Lateral leaves than, equal to, or above the facial leaves, apex acute. Stomatal distribution unknown. External stomatal opening with a pronounced Florin ring with a high ridge, about four lobes and without a peripheral groove. Papillae not observed. Inner surface of stomata typically cupressaceous, occasional indentations on epidermal cells may indicate presence of papillae on outer surface. |