Vascular – Exotic
The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.
Heavily disturbed shrubland and forest, herbfield, damp areas with low cover, regenerating ex-pasture.
Tuberous, clump-forming perennial 25-60 cm tall. Main tuber 4 cm diameter, many small tubers attached. Leaves up to 30 cm long, arrow shaped (young leaves thinner), glossy, dark-green with creamy midrib and main veins, purple-tinged, present from Autumn to Spring. Flower a yellow spike, surrounded by a 30 x 15 cm, pale green translucent bract. Berries 1 cm, orange or red, on flower stalk after leaves die back.
May be confused with Zantedeschia aethiopica, or other lilly species (Calla, Dracunculus) but the dark green leaves with creamy mid-rib and veins are very distinctive.
arum: From the Greek word aron which means ‘climbing’ or ‘poisonous plant’.
Reason For Introduction
Life Cycle Comments
Spreads via seed and slow vegetative spread.
Probably bird dispersed.
drought resistant once established.
All parts of the plant are poisonous including the bright orange berries.