Species

Pachycladon fastigiatum

Etymology

fastigiatum: fastigiate; from the Latin fastigium; branches lying close together, parallel and erect

Common Name(s)

hairless cress

Current Conservation Status

2012 - Not Threatened

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 - Gradual Decline

Authority

Pachycladon fastigiatum (Hook.f.) Heenan et A. Mitch.

Family

Brassicaceae

Flora Category

Vascular - Native

Structural Class

Dicotyledonous Herbs other than Composites

Synonyms

Arabis fastigiata Hook.f., Cardamine fastigiata Hook.f., Pachycladon elongata Buchanan, Notothlaspi hookeri Buchanan, Nasturtium fastigiatum (Hook.f.) Cheeseman, Cheesemania fastigiata var. fastigiata (Hook.f.) O.E.Schulz, Cheesemania fastigiata (Hook.f.) O.E.Schulz, Cheesemania gibbsii (Cheeseman) O.E.Schulz

Distribution

South Island: east of Southern Alps, from Marlborough to northern Southland.

Habitat

On upland to subalpine rocks of drier interior mountains.

Features

Herb with stout base, up to 1.8cm diameter, crowned by dense rosettes of hairless, fleshy leaves. Leaves up to 7cm long, deeply toothed. Flower head, up to 35cm tall, with simple or branched stems. Flowers white, 4-petalled, up to 8mm across. Seed pods narrow, 4cm or more long, 1.5-2mm wide, curved to straight. Seeds 1-1.5mm long.

Similar Taxa

P. enysii, P. stellatum. P. fastigiatum is hairless, has sharply toothed leaves and tall flower stems. P. enysii and P. stellatum have hairy leaves. P. enysii has short flower stems.

Flowering

December - January

Flower Colours

White

Fruiting

January - March

Propagation Technique

Difficult and should not be removed from the wild.

Endemic Taxon

Yes

Endemic Genus

No

Endemic Family

No

Where To Buy

Not commericially available.

 

Attribution

Fact Sheet prepared for NZPCN by P.J. de Lange 1 August 2003. Description based on Allan (1961) - as Cheesemania fastigiata

References and further reading

Allan, H.H. 1961: Flora of New Zealand. Vol. I. Wellington, Government Printer

This page last updated on 26 May 2016