Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Dianella caerulea
Sims, Xanthorrhoeaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 5 (Go to the risk assessment)

Common name(s): [more details]

English: blue flax-lily, blueberry-lily, blueberry-plant, cerulean flaxlily, flax-lily

Habit:  herb

Description:  "Plant tufted and solitary or gregarious, or mat-forming.  Roots fibrous.  Stems to 2 m long, touching or up to .05 m apart.  Leaves 10-75 cm long; sheath conduplicate, moderately to ± completely occluded distally; lamina 0.3-2.5 cm wide, flat, recurving to revolute in T.S. when dry, cucullate, obtuse.  Inflorescence exceeding foliage; cymules open to contracted, 3-25-flowered; pedicels usually less than 1 cm long, sharply ridged to winged.  Perianth segments ovate to narrowly elliptic.  Sepals 7-11.5 mm long, 5-7-nerved.  Petals 6.3-10.5 mm long, 3-5-nerved.  Filament swelling 1-3 mm long, yellow; anthers 2.8-4.7 mm long, pale yellow-brown.  Ovules 6-12 per locule.  Berry 7-12 mm long.  Seed 2.9-3.7 mm long; testa smooth but microscopically areolate-alveolate, to colliculate, black, shiny." Numerous varieties (George, 1987; pp. 209-214).

Habitat/ecology:  In Australia, "occurs in a variety of habitats from heaths to open eucalypt forest" (George, 1987; pp. 209-214).

Propagation:  Seed

Native range:  "Common in eastern Australia from Torres Strait islands to Tasmania. In mainland Australia rarely occurs west of the Great Dividing Range. Also in New Guinea" (George, 1987; pp. 209-214).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
cultivated
Lau, Alex/Frohlich, Danielle (2012) (p. 18)
Voucher cited: J. Geachy U.S. Army 152 (BISH)
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines
Philippine Islands
Philippine Islands   Merrill, Elmer D. (1925) (pp. 202-203)
In forests at medium and higher altitudes, ascending to 2,200 m.
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)
Australia (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Tasmania, Victoria
Australia
Australia (continental)
New South Wales native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Australia
Australia (continental)
Queensland native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of) introduced
cultivated
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 33)
Cultivated only


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

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 4 SEP 2005 and was last updated on 13 APR 2013.