Pacific Island Ecosystems at Risk (PIER)


Veitchia winin


RISK ASSESSMENT RESULTS: Low risk, score: -4


Australian/New Zealand Weed Risk Assessment adapted for Hawai‘i.

Research directed by C. Daehler (UH Botany) with funding from the Kaulunani Urban Forestry Program and US Forest Service

Information on Risk Assessments
Original risk assessment

Veitchia winin (Bangor, winin)

Answer

1.01

Is the species highly domesticated?

y=-3, n=0

n

1.02

Has the species become naturalized where grown?

y=-1, n=-1

n

1.03

Does the species have weedy races?

y=-1, n=-1

n

2.01

Species suited to tropical or subtropical climate(s) (0-low; 1-intermediate; 2-high) – If island is primarily wet habitat, then substitute “wet tropical” for “tropical or subtropical”

See Append 2

2

2.02

Quality of climate match data (0-low; 1-intermediate; 2-high) see appendix 2

2

2.03

Broad climate suitability (environmental versatility)

y=1, n=0

n

2.04

Native or naturalized in regions with tropical or subtropical climates

y=1, n=0

y

2.05

Does the species have a history of repeated introductions outside its natural range? y=-2

?=-1, n=0

y

3.01

Naturalized beyond native range y = 1*multiplier (see Append 2), n= question 2.05

n

3.02

Garden/amenity/disturbance weed y = 1*multiplier (see Append 2)

n=0

n

3.03

Agricultural/forestry/horticultural weed y = 2*multiplier (see Append 2)

n=0

n

3.04

Environmental weed y = 2*multiplier (see Append 2)

n=0

n

3.05

Congeneric weed y = 1*multiplier (see Append 2)

n=0

n

4.01

Produces spines, thorns or burrs

y=1, n=0

n

4.02

Allelopathic

y=1, n=0

n

4.03

Parasitic

y=1, n=0

n

4.04

Unpalatable to grazing animals

y=1, n=-1

4.05

Toxic to animals

y=1, n=0

n

4.06

Host for recognized pests and pathogens

y=1, n=0

n

4.07

Causes allergies or is otherwise toxic to humans

y=1, n=0

n

4.08

Creates a fire hazard in natural ecosystems

y=1, n=0

n

4.09

Is a shade tolerant plant at some stage of its life cycle

y=1, n=0

4.1

Tolerates a wide range of soil conditions (or limestone conditions if not a volcanic island)

y=1, n=0

n

4.11

Climbing or smothering growth habit

y=1, n=0

n

4.12

Forms dense thickets

y=1, n=0

n

5.01

Aquatic

y=5, n=0

n

5.02

Grass

y=1, n=0

n

5.03

Nitrogen fixing woody plant

y=1, n=0

n

5.04

Geophyte (herbaceous with underground storage organs -- bulbs, corms, or tubers)

y=1, n=0

n

6.01

Evidence of substantial reproductive failure in native habitat

y=1, n=0

6.02

Produces viable seed.

y=1, n=-1

6.03

Hybridizes naturally

y=1, n=-1

6.04

Self-compatible or apomictic

y=1, n=-1

y

6.05

Requires specialist pollinators

y=-1, n=0

n

6.06

Reproduction by vegetative fragmentation

y=1, n=-1

n

6.07

Minimum generative time (years) 1 year = 1, 2 or 3 years = 0, 4+ years = -1

See left

7.01

Propagules likely to be dispersed unintentionally (plants growing in heavily trafficked areas)

y=1, n=-1

n

7.02

Propagules dispersed intentionally by people

y=1, n=-1

y

7.03

Propagules likely to disperse as a produce contaminant

y=1, n=-1

n

7.04

Propagules adapted to wind dispersal

y=1, n=-1

n

7.05

Propagules water dispersed

y=1, n=-1

n

7.06

Propagules bird dispersed

y=1, n=-1

y

7.07

Propagules dispersed by other animals (externally)

y=1, n=-1

y

7.08

Propagules survive passage through the gut

y=1, n=-1

8.01

Prolific seed production (>1000/m2)

y=1, n=-1

n

8.02

Evidence that a persistent propagule bank is formed (>1 yr)

y=1, n=-1

n

8.03

Well controlled by herbicides

y=-1, n=1

8.04

Tolerates, or benefits from, mutilation, cultivation, or fire

y=1, n=-1

8.05

Effective natural enemies present locally (e.g. introduced biocontrol agents)

y=-1, n=1

Total score:

-4

Supporting data:

Source

Notes

1.01

No evidence

1.02

No evidence of introductions or naturalizations.

1.03

No evidence

2.01

Native to islands in Vanuatu

Zona, S. & Fuller, D. 1999. A revision of Veitchia (Arecaceae - Arecoideae). Harvard papers in Botany. 4(2): 543 -560.

2.02

2.03

'It is found in 5 -500 m in elevation, in rainforests and seasonally dry forests, often on limestone or sandy, alluvial soils.'

Zona, S. & Fuller, D. 1999. A revision of Veitchia (Arecaceae - Arecoideae). Harvard papers in Botany. 4(2): 543 -560.

2.04

Native to islands in Vanuatu

Zona, S. & Fuller, D. 1999. A revision of Veitchia (Arecaceae - Arecoideae). Harvard papers in Botany. 4(2): 543 -560.

2.05

(1)Belize (2)Florida (3)Hawai‘i

(1)http://www.growit.com/plants/growers/SN/2379.htm (2)http://www.hortworld.com/scripts/hortworld/Soaring.asp (3)http://www.orphic.com/palmcat/palms12.html

3.01

No evidence of introductions or naturalizations.

3.02

No evidence

3.03

No evidence

3.04

No evidence

3.05

No evidence

4.01

No evidence

Zona, S. & Fuller, D. 1999. A revision of Veitchia (Arecaceae - Arecoideae). Harvard papers in Botany. 4(2): 543 -560.

4.02

No evidence

4.03

No evidence

4.04

No information

4.05

No evidence

4.06

No evidence

4.07

No evidence

4.08

single trunk palm

4.09

No information

4.1

'It is found in 5 -500 m in elevation, in rainforests and seasonally dry forests, often on limestone or sandy, alluvial soils.'

Zona, S. & Fuller, D. 1999. A revision of Veitchia (Arecaceae - Arecoideae). Harvard papers in Botany. 4(2): 543 -560.

4.11

Probably not - not a vine.

4.12

No evidence

5.01

A palm in Arecaceae

Zona, S. & Fuller, D. 1999. A revision of Veitchia (Arecaceae - Arecoideae). Harvard papers in Botany. 4(2): 543 -560.

5.02

5.03

5.04

6.01

No information

6.02

No information

6.03

No information

6.04

monoecious - self pollinating

Krempin, J. Palms and Cycads around the world. Horwitz Grahame Pvt Ltd.

6.05

monoecious - self pollinating

Krempin, J. Palms and Cycads around the world. Horwitz Grahame Pvt Ltd.

6.06

single trunk palm

6.07

No information

7.01

Probably not - the propagules do not have any means of attachment.

Zona, S. & Fuller, D. 1999. A revision of Veitchia (Arecaceae - Arecoideae). Harvard papers in Botany. 4(2): 543 -560.

7.02

horticultural palm

7.03

Probably not - seeds relatively large - 4 -11.3 mm long and 6.5 - 8.7 mm in diameter.

Zona, S. & Fuller, D. 1999. A revision of Veitchia (Arecaceae - Arecoideae). Harvard papers in Botany. 4(2): 543 -560.

7.04

large seeds

7.05

No evidence

7.06

prominent clusters of orange to red fruit

http://www.palmpeople.com/Bot_10_Palms.htm

7.07

large seeds regurgitated by birds

7.08

no evidence of passage through gut

8.01

Probably not - seeds size - 9- 11.3 mm long and 6.5 - 8.7 mm in diameter.

Zona, S. & Fuller, D. 1999. A revision of Veitchia (Arecaceae - Arecoideae). Harvard papers in Botany. 4(2): 543 -560.

8.02

Arecaceae (no seed bank)

8.03

No evidence that the species is being controlled for.

8.04

No information

8.05

Don’t know.


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This page updated 4 November 2005