New Zealand Journal of Botany abstract

Wood anatomy of the dicotyledons indigenous to New Zealand. 25. Myrtaceae* - subfam. Myrtoideae (part I)

RAJNI N. PATEL

Manaaki Whenua - Landcare Research
P.O. Box 69
Lincoln, New Zealand

Abstract  Wood anatomy of the New Zealand endemics Lophomyrtus aotearoana E.C.Nelson , L. obcordata (E.F.A. Raoul) Burret, and Neomyrtus pedunculata (Hook.f.) Allan is described. L. aotearoana is anatomically similar to L. obcordata, but has relatively finer helical thickenings in vessel elements. Perforation plates in these species are mainly simple, and are accompanied by some near-scalariform to scalariform and foraminate ones. Simple perforations often have an irregular outline. Wood of Lophomyrtus is diffuse-porous while that of N. pedunculata is semi-ring-porous. In N. pedunculata the vessels have mainly scalariform perforation plates and some reticulate and foraminate-reticulate ones. Two vessel elements with simple perforations were also found. Very fine helical thickenings are present in some vessel elements of N. pedunculata. Disjunctive axial and ray parenchyma cells are present in all three species.

Keywords  Myrtaceae; Lophomyrtus aotearoana; Lophomyrtus obcordata; Neomyrtus pedunculata; wood anatomy; New Zealand

New Zealand Journal of Botany, 1995, Vol. 33: 541-555

0028-825X/95/3304-541 $2.50/0 (c) The Royal Society of New Zealand 1995

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