New Zealand Journal of Botany abstracts

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Phytochemical reappraisal of taxonomic subdivisions of Lycopodium (Pteridophyta-Lycopodiaceae) based on flavonoid glycoside distribution

KEN R. MARKHAM
NOREEN A. MOORE

Chemistry Division Private Bag, Petone, New Zealand

DAVID R. GIVEN

Botany Division, DSIR
Private Bag, Christchurch, New Zealand

Abstract Flavonoid glycoside distribution data based primarily on material from New Zealand but also from France and Japan, support the division of the genus Lycopodium sensu lato into 3 groups. The most distinctive is that containing L. cernuum (type of the segregate genus Palhinhaea); it is characterised by the biosynthetic capability to produce flavonoid C-glycosides. The second contains L. scariosum, characterised by the biosynthetically unusual 5-O-glucosides of flavones. The species aggregate which contains L. scariosum also includes L. jussiaei (type of the segregate genus Diphasium). The third group is an assemblage of species and is divisible into 2 subgroups on the basis of the presence or absence of 4'-O-glucosides. Phylloglos-sum drummondii also belongs to the Lycopodiaceae but is phytochemically distinct.

KeywordsLycopodium;Phylloglossum;Lycopodiaceae; Pteridophyta; fern allies; chemotax-onomy; flavonoids; New Zealand fern allies; Japanese fern allies; French fern allies

Received 21 September 1982
New Zealand Journal of Botany, 1983, Vol. 21 : 113-120
0O28-825X/83/21O2-O113$2.5O/0 © Crown copyright 1983

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