Species

Pleurophyllum criniferum

Etymology

Pleurophyllum: From Greek pleuro- (rib, side) and phyllo- (leaf) components meaning 'ribbed-leaved'.

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 - At Risk - Naturally Uncommon
2004 - Range Restricted

Qualifiers

2012 - RR

Authority

Pleurophyllum criniferum Hook.f.

Family

Asteraceae

Flora Category

Vascular - Native

Structural Class

Dicotyledonous Herbs - Composites

Synonyms

Pleurophyllum hombronii Decne; Albinia oresigenesa Homb. et Jacq. ex Decne

Distribution

Endemic. Auckland, Campbell and Antipodes Islands

Habitat

Coastal and lower montane peaty herbfield

Features

Radical leaves ascending, up to > 1 m long including petiole; lamina of diverse shape, usually of oblong-ovate to broadly lanceolate order, clad below in thin appressed white tomentum, above in scattered setose and moniliform hairs, submembr.; ribs up to 20, less prominent than in P. speciosum; margins rather distantly and obscurely crenate with conspicuous linear hydathodes. Scapes stout, grooved, up to 2 m tall; lower leaves linear-oblong, diminishing to linear bracts. Capitula c.15-30, in elongate racemes; ray-florets short, inconspicuous; disk-florets purple. Involucral bracts acuminate, ciliate. Achenes densely strigose. Pappus-hairs slightly thickened at tips

Similar Taxa

Distinguished from Pleurophyllum speciosum by the submembranous, distinctly petioled leaves, and inconspicuous ray-florets. Pleurophyllum hookeri differs from both P. criniferum and P. speciosum by having leaves with both sides covered with silvery appressed tomentum.

Flowering

December – February

Flower Colours

Violet / Purple

Fruiting

January – May

Propagation Technique

Difficult. Should not be removed from the wild

Threats

A naturally uncommon endemic. Widespread within its island habitants. The subantarctic islands on which it occurs are Nature Reserves and World Heritage sites with access only by permit, and strictly limited as to numbers of people.

Endemic Taxon

Yes

Endemic Genus

Yes

Endemic Family

No

Where To Buy

Not commercially available.

Attribution

Description adapted from: Allan, H.H. 1961: Flora of New Zealand

This page last updated on 7 Jan 2014