Species

Olearia angustifolia

Etymology

Olearia: Derived from the latinised name (Olearius) of the 17th century German botanist Adam Oelenschlager
angustifolia: narrow-leaved

Common Name(s)

Teteaweka

Current Conservation Status

2012 - At Risk - Naturally Uncommon

Conservation status of New Zealand indigenous vascular plants, 2012
The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2012 using the New Zealand Threat Classification System (NZTCS). This report includes a statistical summary and brief notes on changes since 2009 and replaces all previous NZTCS lists for vascular plants. Authors: Peter J. de Lange, Jeremy R. Rolfe, Paul D. Champion, Shannel P. Courtney, Peter B. Heenan, John W. Barkla, Ewen K. Cameron, David A. Norton and Rodney A. Hitchmough. File size: 792KB

Previous Conservation Status

2009 - Not Threatened
2004 - Not Threatened

Qualifiers

2012 - DP, RR

Authority

Olearia angustifolia Hook.f.

Family

Asteraceae

Brief Description

Bushy small tree with narrow leathery saw-edged dark green leaves that are white underneath and large whiteish daisy-like heads inhabiting coastal forest on Bluff and Stewart Island. Leaves 7-15cm long by 1-2cm wide, widest at base and tapering to tip, many even small thick teeth along edge. Flowers 3.5-5cm wide, petals white, centre purple.

Flora Category

Vascular - Native

NVS Species Code

OLEANG

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.

Structural Class

Dicotyledonous Trees & Shrubs

Synonyms

Olearia angustata J.B.Armstr. nom. illegit.

Distribution

Endemic. Confined to Stewart Island, the shores of the Foveaux Strait and surrounding smaller islands

Habitat

Coastal habitats in "muttonbird scrub" usually overlying peat. Never far from the sea.

Flower Colours

Violet / Purple,White

Propagation Technique

Easy from fresh seed and cuttings but very difficult to maintain in cultivation. Dislikes humidity and drought, and should be grown in a cool, damp, well drained soil, ideally near the sea. Plants are prone to sudden collapse during times of stress.

Threats

Not Threatened

Chromosome No.

2n = 108

Endemic Taxon

Yes

Endemic Genus

No

Endemic Family

No

Where To Buy

Occasionally offered by specialist native plant nurseries.

Cultural Use/Importance

Together with O. chathamica, this species is clearly allied to the Fiordland coast endemic O. oporina, and some people reagrd them all as synonymous. However, until this suggestion has been properly researched it seems best to maintain them as distinct species.

This page last updated on 28 Mar 2015