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Abstract
Wood anatomy of Melicope ternata, M. simplex, and Phebalium nudum is described. In M. simplex and M. ternata vessels have no helical thickenings, most perforation plates are simple but some are scalariform or reticulate, grooves connect pit apertures, and vessel to ray pits are sometimes unilaterally compound. Disjunctive ray and axial parenchyma cells are present. Melicope simplex is distinguished from M. ternata in having narrower rays, more disjunctive ray cells, and narrower boundary bands of axial parenchyma. The vessel elements of P. nudum have helical thickenings and simple perforation plates, and lack unilaterally compound pits. Disjunctive axial parenchyma cells are absent and disjunctive ray cells are rare. Boundary axial parenchyma and rays are usually only 1-2 cells wide. Vasicentric tracheids are common in P. nudum but rare in M. simplex and M. ternata. Silica bodies occur in the parenchyma cells of all three species.
Previous papers in this series published in New Zealand Journal of Botany from 1973; see acknowledgments for a complete list.
Previous papers in this series published in New Zealand Journal of Botany from 1973; see acknowledgments for a complete list.
Notes
Previous papers in this series published in New Zealand Journal of Botany from 1973; see acknowledgments for a complete list.