Clades: Cyateales;
Cyatheidae;
Equisetanae;
Pteridophyta;
Plants.
Region: Southern Hemisphere, southern New Zealand.
Habitat: tropical, subtropical, warm temperate
Content: carcinogens; thiaminase, robbing vitamin B complex.
Members: Dicksonia, Calochlaena, Lophosoria.
TaxonomyIn the PPG1 classification
Dicksoniaceae is a member of the order
Cyatheales.
Larger tree ferns in the genus Cibotium were formerly included in
Dicksoniaceae, but are now segregated as the family
Cibotiaceae.
Plant theory In the
Plant theory Dicksoniaceae is a member of the order
Cyatheales. It is placed tentatively in
Subphase 6. This fits the inner decay of their trunk while alive.
BotanyFerns; terrestrial, some epiphytes; with long, tapering hairs composed of cells arranged end to end, unlike
Cyatheaceae.
Stem: very short trunks, some can reach several metres in height.
Leaves: large pinnate fronds, 1 to 4 m long; leaf margin does not form part of an indusium.
Stages Remedies1
Metaxya rostrata2
Dicksonia youngiae3
Calochlaena dubia10
Dicksonia antarctica15
Lophosoria quadripinnata17
Dicksonia squarrosax
Dicksonia blumei