New Zealand Journal of Botany abstracts
Contributions to a chromosome atlas of the New Zealand flora – 38.
Counts for 50 families
P. J. de Lange
Science & Research Unit
Department of Conservation
Private Bag 68908
Newton
Auckland, New Zealand
B. G. Murray
P. M. Datson
School of Biological Sciences
The University of Auckland
Private Bag 92019
Auckland, New Zealand
Abstract Documented chromosome numbers are
reported for 187 taxa (170 species, 9 subspecies, 8 varieties), 5
hybrids (four putative, one artificial), and 18 of uncertain rank from
50 families (84 genera; 2 lycophyte, 11 pterophyte and 71 anthophyte).
Of these, 189 counts are new for the New Zealand flora (167 of these
are from named taxa). Many of the counts reported are from more poorly
investigated families (e.g., Cyperaceae, Lycopodiaceae,
Potamogetonaceae) and genera (e.g., Desmoschoenus, Freycinetia,
Lycopodiella, Lycopodium, Potamogeton, Schoenus)
indigenous to New Zealand, or from nationally uncommon and/or
threatened taxa (e.g., Eleocharis neozelandica, Hebe
societatis, Myriophyllum robustum, and Pittosporum dallii)
and/or newly described plants (e.g., Gingidia grisea,
Olearia adenocarpa), while three counts are from naturalised
species (Alternanthera sessilis, Nephrolepis cordifolia,
and Senecio skirrhodon), and one from a cultivated plant of Metrosideros
nervulosa. In the majority of genera the numbers follow established
patterns. Counts have now been obtained for all known New Zealand
representatives of the Alseuosmiaceae, Chloranthaceae, Dryopteridaceae,
Elatinaceae, Euphorbiaceae, Geraniaceae, Hydatellaceae, Lauraceae,
Linaceae, Rubiaceae, Scrophulariaceae, Nephrolepidaceae, Nyctaginaceae,
Pandanaceae, Polypodiaceae, Sapotaceae, and Thelypteridaceae.
Keywords chromosome numbers; Alseuosmiaceae;
Amaranthaceae; Apiaceae; Araceae; Araliaceae; Asteliaceae; Asteraceae;
Blechnaceae; Brassicaceae; Caryophyllaceae; Chloranthaceae;
Convolvulaceae; Coriariaceae; Crassulaceae; Cyperaceae;
Dryopteridaceae; Elaeocarpaceae; Elatinaceae; Euphorbiaceae; Fabaceae;
Geraniaceae; Gleicheniaceae; Haloragaceae; Hydatellaceae; Hypericaceae;
Lauraceae; Linaceae; Lycopodiaceae; Malvaceae; Myoporaceae; Myrtaceae;
Nephrolepidaceae; Nyctaginaceae; Ophioglossaceae; Orchidaceae;
Pandanaceae; Phrymaceae; Pittosporaceae; Polypodiaceae;
Potamogetonaceae; Pteridaceae; Ranunculaceae; Rosaceae; Rubiaceae;
Sapotaceae; Scrophulariaceae; Sparganiaceae; Thymelaeaceae;
Thelypteridaceae; Achyranthes; Alseuosmia; Alternanthera;
Apium; Arachniodes; Ascarina; Astelia; Baumea;
Beilschmiedia; Botrychium; Brachyscome; Calystegia;
Canavalia; Cardamine; Carex; Cassytha; Celmisia;
Christella; Convolvulus; Coprosma; Coriaria;
Craspedia; Crassula; Cryptostylis; Desmoschoenus;
Dicranopteris; Doodia; Dracophyllum;
Elaeocarpus; Elatine; Eleocharis; Freycinetia;
Galium; Geranium; Gingidia; Glossostigma;
Gonocarpus; Haloragis; Hebe; Hydatella; Hypericum;
Ipomoea; Kelleria; Lagenifera; Lemna; Linum;
Litsea; Lycopodium; Lycopodiella, Machaerina;
Macrothelypteris; Microsorum; Metrosideros; Morelotia;
Myoporum; Myriophyllum; Nephrolepis; Nertera;
Ophioglossum; Olearia; Oreoporanthera; Pisonia;
Pittosporum; Plagianthus; Poranthera;
Potamogeton, Pouteria; Pseudognaphalium; Pseudopanax;
Pteris; Ranunculus; Rubus; Schoenoplectus;
Schoenus; Senecio; Simpliglottis; Sparganium;
Spergularia; Stellaria; Suaeda; Tetraria;
Thelypteris; Nephrolepis flexuosa; New Zealand
flora
B04002; Received 15 January 2004; accepted 14 June 2004; Online
publication date 9 December 2004
New Zealand Journal of Botany, 2004, Vol. 42: 873–904
0028–825X/04/4205–0873 © The Royal Society of New Zealand 2004
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