The New Zealand Plant Conservation Network

Species

Cordyline obtecta

Etymology

Cordyline: From the Greek kordyle 'club'
obtecta: Covered over; protected

Common Name(s)

Three Kings cabbage tree

Threat Status

Naturally Uncommon

Status 2004

Range Restricted

Authority

Cordyline obtecta (Graham) Baker

Family

Asparagaceae

Flora Category

Vascular - Native

Synonyms

Cordyline kaspar W.R.B.Oliv. (New Zealand only). C. baueri Hook.f. nom. superfl. (Norfolk Island only)

Distribution

Indigenous. New Zealand: Three Kings Islands (North East Island, Manawa Tawhi (Great Island), South West Island and West Island), North Island (North Cape and Murimotu Island), Poor Knights Islands (Aorangi and Tawhiti Rahi). Also present on Norfolk Island, which is the type Locality for Cordyline obtecta.

Features

Stout, widely branched tree to 6 m tall; trunk solitary or multi-trunked from base. Trunks up 0.45 m dbh; bark copious, firm, corky, grey-brown. Leaves concolorous, yellow-green, green to glaucous-green,often dropping in upper half to one third; lamina o.60–0.65-1.0 × 0.055–0.07(-0.10) mm, broadly, lanceolate to ± oblanceolate, widest above middle; narrowed above base into short, hardly channelled petiole of half lamina-width or less; lamina similar on both surfaces, widest above middle; midrib obscure adaxially, more prominent abaxially, widened towards base, paler than rest of lamina; nerves fine, subequal, ± parallel but meeting midrib at appreciable angle. Inflorescence a broad densely flowered panicle 0.8-1.0(-1.2) m long, branched to second or third order, branches well spaced, lower bracts foliaceous, green entire or bilobed; ultimate racemes c. 100–200(-300) mm long, c.20 mm diameter (including flowers); axes visible between flowers. Peduncle very stout 10-30 mm diameter. Flowers white, strongly and very sweetly scented; perianth c.5–6 mm long, tube c.2 mm long; tepals patent. Stamens about the same length as tepals; filaments long-connate or not, if connate then the free portion as broad as the anther and not much longer. Stigma shortly trifid. Fruit c.4 mm diameter, globose, white. Seeds c.3.5 mm diameter, glossy, deeply notched on one side. Description adapted from Moore & Edgar (1970).

Flowering

September - December

Main Flower Colour

White

Fruiting

March - June

Propagation Technique

Easily grown from fresh seed, emergent shoot, stem and even trunk cuttings. Reasonably hardy, certainly less prone to Cabbage Tree Decline. Cordyline obtecta will tolerate most soils and moisture regimes but dislikes long periods of drought and is frost sensitive. Excellent in pots and tubs.

Threats

Not Threatened in New Zealand though it is very localised and so possibly at some risk on Norfolk Island. In New Zealand Cordyline obtecta is very common on the main islands of the Three Kings which are protected as Nature Reserves. It is less common south of there but still rather widespread especially on remote Murimotu and the Poor Knights Islands (another Nature Reserve).

Chromosome No.

2n = 38

Endemic Taxon

No

Endemic Genus

No

Endemic Family

No

This page last updated on 24 Mar 2012