Damnamenia vernicosa

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Species

Damnamenia vernicosa

Etymology

vernicosa: Varnished

Common Name(s)

Damnamenia

Current Threat Status

2012 - At Risk - Naturally Uncommon

Previous Threat Status

2009 - At Risk - Naturally Uncommon
2004 - Range Restricted

Qualifiers

2012 - RR

Authority

Damnamenia vernicosa (Hook f.) D.R.Given

Family

Asteraceae

Flora Category

Vascular - Native

Synonyms

Celmisia vernicosa Hook.f.

Distribution

Endemic. New Zealand: Auckland and Campbell Islands.

Habitat

A species of mostly upland cushion bogs and Pleurophyllum Hook.f. dominated meadows. Also grows at low altitudes in exposed, inhospitable, sparsely vegetated sites.

Features

Stoloniferous herb with thick woody multicipital basal stock. Living leaves densely imbricating and forming rosettes at tips of branchlets and sometimes at ends of leafy stolons. Leaves glossy as though varnished, glabrous; venation simple with lateral veins of sheath not extending into the lamina. Ptyxis plain. Inflorescence scapose and monocephalous. Receptacle obconic; phyllaries in several series, bearing eglandular uniseriate hairs only. Ray florets ligulate, female, white, occasionally pale rose especially near tips, limb and tube clad in scattered hairs. Disc florets tubular, pefect, purple or occasionally yellow, cyathiform above point of insertion of stamen filaments and usually cylindrical below, although occasionally gradually narrowing towards corolla base; corolla hairs eglandular biseriate and uniseriate; stamen tip usually obtuse or if acute then short, anther tails present but shorter than the basally narrowed filament collar; style arms short, terminal appendage broadly triangular and bearing long collecting hairs on back and margin. Pappus bristles unequal, in more than one series, plumose with long crowded teeth. Achene obconic, clad in duplex hairs.

Similar Taxa

None

Flowering

November - January

Main Flower Colour

White

Other Flower Colour

Violet / Purple

Fruiting

December - March

Propagation Technique

Difficult - should not be removed from the wild

Threats

A Naturally Uncommon, range-restricted endemic, abundant and under no obvious threats within its known sites. Both Auckland and Campbell Island are Nature Reserves and World Heritage Sites administered by the New Zealand Department of Conservation who exercises strict controls on landings to these islands.

Chromosome No.

2n = 108

Endemic Taxon

Yes

Endemic Genus

Yes

Endemic Family

No

Where To Buy

Not commercially available.

References and further reading

Given, D.R. 1973. Damnamenia gen. nov. A New Subantarctic Genus Allied to Celmisia Cass. (Astereae-Compositae). New Zealand Journal of Botany 11: 785-796.

Thorsen, M. J.; Dickinson, K. J. M.; Seddon, P. J. 2009. Seed dispersal systems in the New Zealand flora. Perspectives in Plant Ecology, Evolution and Systematics 11: 285-309

This page last updated on 23 Jul 2014

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