New Zealand Journal of Botany abstract

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A contribution to the taxonomy of Phyllocladus (Phyllocladaceae) from the distribution of key flavonoids

B. P. J. MOLLOY

Research Associate
Landcare Research
P.O. Box 69
Lincoln 8152, New Zealand

KENNETH R. MARKHAM

Industrial Research Ltd
P.O. Box 31-310
Lower Hutt, New Zealand

Abstract  The distribution of flavonoid glycosides in five species and three putative variants of Phyllocladus is examined to evaluate its taxonomic significance. The status of all five species is supported by their respective accumulation of major constituents and the regular presence/absence of quantitatively minor components. There are reasonable grounds, based on flavonoid complement, for the recognition of the North Cape variant of P. trichomanoides, and possibly also the lowland variant of P. alpinus, as distinct taxa. The chemical status of the eastern North Island variant of P. alpinus is less certain at this stage and requires further study.

Keywords  conifers; Phyllocladaceae; Phyllocladus; P. alpinus; P. aspleniifolius; P. hypophyllus; P. toatoa; P. trichomanoides; flavonoids; taxonomy

B98069
Received 7 December 1998; accepted 25 March 1999

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