Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Pittosporum crassifolium
Banks & Sol. ex A. Cunn., Pittosporaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: karo, stiff-leaf cheesewood, stiffleaf cheesewood

Maori (NZ): karo

Habit:  shrub/tree

Description:  "Shrub or tree up to 9 m. tall, bark dark brown; branches erect to ascending, sometimes almost fastigiate; branchlets, leaves below, petioles and peduncles densely clad in white to buff subappressed tomentum (sometimes ferruginous in aged herbarium specimens). Leaves alt., very coriac., lamina 5-7-(10) x 2-2.5 cm., on stout petioles up to 2 cm. long, obovate-cuneate to obovate-elliptic to narrow-obovate, margins revolute. Flowers functionally unisexual, in terminal umbels of 5-10 ♂ or 1-2 ♀. Sepals subulate to oblong-lanceolate, tapering, tomentose, c. 6 mm. long, petals narrow-oblong, c. 1 cm. long, dark red. Capsules subglobose to ovoid, tomentose, 2-3 cm. long, on stout decurved peduncles up to 15 cm. long; valves 3 or rarely 4, thick, woody"  (Allan, 1982; p. 314).

Description from Flora of Australia online.

Habitat/ecology:  In New Zealand (native), "forest margins and streamsides"  (Allan, 1982; p. 314).

Propagation:  Seed

Native range:  New Zealand (Kermadec Islands, North Island) (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island introduced
invasive
Australian Biological Resources Study (2013)
"Naturalised and reproducing itself in one or two places". Voucher cited: W.R. Sykes NI 527 (CHR)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
cultivated
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
cultivated
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 493-494, 539-540, 556)
Voucher cited: Danton D(914)777. "Este pequeño árbol se naturalizó en RC en el bosque exotico (Falda Larga) donde aún está de forma esporádica. Podria volverse invasor como otras especies de este genero.  Está también presente en algunos jardines del pueblo de San Juan Bautista".
New Zealand (offshore islands)
Kermadec Islands
Kermadec Islands native
Allan, H. H. (1982) (p. 314)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
"Naturalised on Malabar Headland, Central Coast".
New Zealand
New Zealand
New Zealand (country) native
Allan, H. H. (1982) (p. 314)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 16 DEC 2010 and was last updated on 27 DEC 2010.