Raukaua anomalus

  • Raukaua anomalus
  • Mataroa. Mar 1991.
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Species

Raukaua anomalus

Etymology

Raukaua: From the Maori name for R. edgerleyi, raukawa
anomalus: From the Greek anomalia 'unusual'

Current Threat Status

2012 - Not Threatened

Previous Threat Status

2009 - Not Threatened
2004 - Not Threatened

Authority

Raukaua anomalus (Hook.f.) A.D.Mitch., Frodin et Heads

Family

Araliaceae

Brief Description

Bushy small-leaved shrub with hairy branchlets and flattened leaf stalks

Flora Category

Vascular - Native

Synonyms

Pseudopanax anomalus (Hook.) Philipson; Neopanax anomalum (Hook.) Allan; Panax anomalum Hook.; Nothopanax anomalum (Hook.) Seem

Distribution

Endemic. North, South and Stewart Island. Widespread, but often localised

Habitat

Lowland to montane forest margins and shrubland. Near sea level to 900 m.

Features

Shrub to 3 m tall; branchlets hairy with stiff dark bristles, densely divaricating, interlacing; bark grey. Leaves alternate or fascicled, in juvenile plants 3-foliolate; adult leaves single; stipules absent. Petioles of juvenile winged,to 2.5 cm long, 5 mm long in adult, jointed to lamina; minute straw coloured scales at petiole base and internodes. Lamina 1-2 x 1-1.5 cm, obovate-oblong to suborbicular, crenate to sinuate, often mucronate, subcoriaceous, often with dark blotch at base; margin irregularly serrate to sinuate in juvenile, sinuate to minutely crenate in adult, teeth often terminating in a soft point; veins indistinct. Inflorescence axillary, a simple umbel, 2-10 flowered; rays short. Flowers small, green, hermaphroditic, passing through various stages; calyx minutely 5-toothed; ovary 2-loculed, each with 1 ovule; style branches 2, free at tips, connate; stamens 5, projecting, < petals. Fruit fleshy, 4-5 mm wide, laterally compressed, green ripening to either dark brown, blotched reddish purple, or pale cream; style bases retained on apical disc. Seeds 2 per fruit, broadly ovate or oblong and straight along ventral edge, surface irregularly ridged and dimpled, 2.4-3.8 mm long.

Similar Taxa

Vegetatively most similar to either Melicope simplex, which has glabrous branchlets, or Aristotelia fruticosa, which has leaf veins obvious below, or Melicytus micranthus, which has a pale blotch at the leaf base.

Main Flower Colour

Green

Threats

Not Threatened

Chromosome No.

2n = c.24

Endemic Taxon

Yes

Endemic Genus

No

Endemic Family

No

Where To Buy

Occasionally available from specialist native plant nurseries.

Notes on taxonomy

Recently Frodin & Govaerts (2003) transferred the Chilean species Pseudopanax laetevirens (Miq.) Ball and Tasmanian P. gunnii (Hook.f.) K.Koch to Raukaua.

References and further reading

Eagle, A. 2000. Eagle's complete trees and shrubs of NZ. Te Papa Press, Wellington

Frodin, D.G.; Govaerts, R. 2003: World Checklist and Bibliography of Araliaceae, The Cromwell Press, European Union.

Moorfield, J. C. (2005). Te aka : Maori-English, English-Maori dictionary and index.  Pearson Longman:  Auckland, N.Z.

Webb, C.J. &  Simpson, M.J.A. 2001. Seeds of NZ gymnosperms and dicotyledons. Manuka Press, Christchurch.

Wilson, H & Galloway, T. 1993. Small-leaved shrubs of NZ. Manuka Press, Christchurch.

This page last updated on 17 Jan 2014

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