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  4. Coprosma arborea

Coprosma arborea

Coprosma arborea (Mamangi).<br>Photographer: Wayne Bennett, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Fruit.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Tree.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Dome Walkway.<br>Photographer: Jeremy R. Rolfe, Date taken: 15/07/2006, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Coprosma arborea.<br>Photographer: Bec Stanley, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-sa/4.0'>CC BY-SA</a>.
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Common name

māmāngi, tree coprosma

Synonyms

None (first described in 1878)

Family

Rubiaceae

Authority

Coprosma arborea Kirk

Flora category

Vascular – Native

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Structural class

Trees & Shrubs - Dicotyledons

NVS code

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.

COPARB

Chromosome number

2n = 44

Current conservation status

  • Conservation status of New Zealand indigenous vascular plants, 2017

The threat classification status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2017 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website This report includes a statistical summary and brief notes on changes since 2012 and replaces all previous NZTCS lists for vascular plants. Authors: By Peter J. de Lange, Jeremy R. Rolfe, John W. Barkla, Shannel P. Courtney, Paul D. Champion, Leon R. Perrie, Sarah M. Beadel, Kerry A. Ford, Ilse Breitwieser, Ines Schönberger, Rowan Hindmarsh-Walls, Peter B. Heenan and Kate Ladley. Please note, threat classifications are often suggested by authors when publications fall between NZTCS assessment periods – a suggested threat classification status has not been assessed by the NZTCS panel.

Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2017 | Not Threatened

Previous conservation statuses

2012 | Not Threatened

2009 | Not Threatened

2004 | Not Threatened

Brief description

Bushy small tree with pairs of small roundish thin leaves inhabiting the top half of the North Island. Trunk noticeable. Leaves thin, mottled, with small pit at junction of veins, in pairs with a small long-tipped scale between the base of the leaf stems. Fruit white.

Distribution

Endemic. New Zealand: Three Kings and North Island, where found from Te Paki south to near Waitomo in the west and about Gisborne in the East

Habitat

Coastal to lower montane forest - but mostly coastal to lowland. Often forming the subcanopy in coastal kauri forest or mixed pohutukawa-hardwood forest. rarely, such as on Waiheke Island, forming a distinct forest type where it dominates the canopy.

Features

Tree 8-12 m tall; trunk 200-500 mm diameter; branches rather close-set, suberect to spreading; branchlets slender, pubescent. Petioles winged in upper ½, 8-20 mm long. Stipules short, triangular, connate near base, ciliolate, with prominent denticle. Adult lamina submembranous to subcoriaceous, glabrous, somewhat glossy, 50-80 × 30-48 mm, yellow-green, dark green above, usually mottled maroon or purple, pale wine-red below, ovate to broad-elliptic to oblong, sometimes suborbicular; apex rounded or retuse, sometimes apiculate or mucronulate; cuneately or abruptly narrowed to petiole; margins thickened, indistinctly waved, often subcrenulate; juvenile lamina 12-30 × 10-18 mm, spathulate, maroon, dark green mottled with maroon, undersides dull wine-red. Reticulations of lamina obscure above, usually distinct below. Male flower in dense glomerules, terminal on main and axillary branches; calyx-teeth linear, obtuse, ciliolate; corolla funnelform, lobes ovoid, acute, more or less = tube. Female flowers in clusters of 2-4; calyx-teeth obtuse, ciliolate; corolla-tube short, lobes long, acute. Drupe fleshy, 6-8 mm long, white, broad-oblong.

Similar taxa

The juvenile plant is most likely to be confused with Coprosma spathulata subsp. spathulata as at this stage both species have spathulate leaves. Juvenile Coprosma aborea is most easily distinguished by running ones finger down a young branchlet. In this species the branchlet is smooth while in C. spathulata (both subspecies) the branchlet is finely rugose and so imparts a texture not unlike that of a cats tongue.

Flowering

September - December

Flower colours

Green, Yellow

Fruiting

January - December

Propagation technique

Easily grown from fresh seed and semi-hardwood cuttings. Often rather slow growing. Does best planted in a moderately fertile, free draining soil in semi-shade, though once established it will tolerate extremely sunny and dry conditions. A beautiful specimen tree.

Etymology

coprosma: From the Greek kopros ‘dung’ and osme ‘smell’, referring to the foul smell of the species, literally ‘dung smell’

arborea: From the Latin arbor ‘tree’, meaning tree-like

Attribution

Fact sheet prepared by Peter J. de Lange (30 August 2004). Description adapted from Allan (1961)

References and further reading

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

NZPCN Fact Sheet citation

Please cite as: de Lange, P.J. (Year at time of access): Coprosma arborea Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/coprosma-arborea/ (Date website was queried)

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