Pacific Island Ecosystems at Risk (PIER)
Crateva religiosa
RISK ASSESSMENT RESULTS: Low risk, score: 0
Australian/New Zealand Weed Risk Assessment adapted for Hawai‘i. Information on Risk Assessments Original risk assessment |
Crateva religiosa G. Forst. Family - Capparaceae. Common Names(s) - Spider Tree, Sacred garlic pear, three-leaved caper. Synonym(s) - Crateva unilocularis Buchanan-Hamilton. |
Answer |
Score |
||
1.01 |
Is the species highly domesticated? |
y=-3, n=0 |
n |
0 |
1.02 |
Has the species become naturalized where grown? |
y=1, n=-1 |
||
1.03 |
Does the species have weedy races? |
y=-1, n=-1 |
||
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 |
0 |
2.04 |
Native or naturalized in regions with tropical or subtropical climates |
y=1, n=0 |
y |
1 |
2.05 |
Does the species have a history of repeated introductions outside its natural range? |
y=-2, ?=-1, n=0 |
n |
|
3.01 |
Naturalized beyond native range y = 1*multiplier (see Append 2), n= question 2.05 |
n |
0 |
|
3.02 |
Garden/amenity/disturbance weed y = 1*multiplier (see Append 2) |
n=0 |
n |
0 |
3.03 |
Agricultural/forestry/horticultural weed y = 2*multiplier (see Append 2) |
n=0 |
n |
0 |
3.04 |
Environmental weed y = 2*multiplier (see Append 2) |
n=0 |
n |
0 |
3.05 |
Congeneric weed y = 1*multiplier (see Append 2) |
n=0 |
n |
0 |
4.01 |
Produces spines, thorns or burrs |
y=1, n=0 |
n |
0 |
4.02 |
Allelopathic |
y=1, n=0 |
n |
0 |
4.03 |
Parasitic |
y=1, n=0 |
n |
0 |
4.04 |
Unpalatable to grazing animals |
y=1, n=-1 |
n |
-1 |
4.05 |
Toxic to animals |
y=1, n=0 |
n |
0 |
4.06 |
Host for recognized pests and pathogens |
y=1, n=0 |
||
4.07 |
Causes allergies or is otherwise toxic to humans |
y=1, n=0 |
n |
0 |
4.08 |
Creates a fire hazard in natural ecosystems |
y=1, n=0 |
n |
0 |
4.09 |
Is a shade tolerant plant at some stage of its life cycle |
y=1, n=0 |
n |
0 |
4.10 |
Tolerates a wide range of soil conditions (or limestone conditions if not a volcanic island) |
y=1, n=0 |
y |
1 |
4.11 |
Climbing or smothering growth habit |
y=1, n=0 |
n |
0 |
4.12 |
Forms dense thickets |
y=1, n=0 |
n |
0 |
5.01 |
Aquatic |
y=5, n=0 |
n |
0 |
5.02 |
Grass |
y=1, n=0 |
n |
0 |
5.03 |
Nitrogen fixing woody plant |
y=1, n=0 |
n |
0 |
5.04 |
Geophyte (herbaceous with underground storage organs -- bulbs, corms, or tubers) |
y=1, n=0 |
n |
0 |
6.01 |
Evidence of substantial reproductive failure in native habitat |
y=1, n=0 |
n |
0 |
6.02 |
Produces viable seed. |
y=1, n=-1 |
y |
1 |
6.03 |
Hybridizes naturally |
y=1, n=-1 |
||
6.04 |
Self-compatible or apomictic |
y=1, n=-1 |
||
6.05 |
Requires specialist pollinators |
y=-1, n=0 |
n |
0 |
6.06 |
Reproduction by vegetative fragmentation |
y=1, n=-1 |
y |
1 |
6.07 |
Minimum generative time (years) 1 year = 1, 2 or 3 years = 0, 4+ years = -1 |
See left |
4+ |
-1 |
7.01 |
Propagules likely to be dispersed unintentionally (plants growing in heavily trafficked areas) |
y=1, n=-1 |
n |
-1 |
7.02 |
Propagules dispersed intentionally by people |
y=1, n=-1 |
y |
1 |
7.03 |
Propagules likely to disperse as a produce contaminant |
y=1, n=-1 |
n |
-1 |
7.04 |
Propagules adapted to wind dispersal |
y=1, n=-1 |
n |
-1 |
7.05 |
Propagules water dispersed |
y=1, n=-1 |
||
7.06 |
Propagules bird dispersed |
y=1, n=-1 |
y |
1 |
7.07 |
Propagules dispersed by other animals (externally) |
y=1, n=-1 |
n |
-1 |
7.08 |
Propagules survive passage through the gut |
y=1, n=-1 |
y |
1 |
8.01 |
Prolific seed production (>1000/m2) |
y=1, n=-1 |
n |
-1 |
8.02 |
Evidence that a persistent propagule bank is formed (>1 yr) |
y=1, n=-1 |
||
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: |
0 |
Supporting data:
Notes |
Source |
|
1.01 |
(1)No evidence |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. |
1.02 |
||
1.03 |
||
2.01 |
(1)Distributed throughout Nepal to about 1500 m in open, rocky places; also in northern India, southeastern China, and Indo-China. |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
2.02 |
(1)Distributed throughout Nepal to about 1500 m in open, rocky places; also in northern India, southeastern China, and Indo-China. |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
2.03 |
(1)Climatic amplitude (estimates): |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. (2)Jones, D. L. 1986. Ornamental Rainforest Plants in Australia. Reed Books Pty. Ltd. Frenchs Forest, Australia. |
2.04 |
. |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
2.05 |
(1)No evidence |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. |
3.01 |
(1)No evidence |
(1)http://www.hear.org/gcw/scientificnames/scinamec.htm [Accessed 20 Feb 2009] |
3.02 |
(1)No evidence |
(1)http://www.hear.org/gcw/scientificnames/scinamec.htm [Accessed 20 Feb 2009] |
3.03 |
(1)No evidence |
(1)http://www.hear.org/gcw/scientificnames/scinamec.htm [Accessed 20 Feb 2009] |
3.04 |
(1)No evidence |
(1)http://www.hear.org/gcw/scientificnames/scinamec.htm [Accessed 20 Feb 2009] |
3.05 |
(1)Checklist of weeds in the Darwin Coastal bioregion that are not considered a problem (minor weeds) [includes Crateva adansonii subsp. axillaris Sacred Garlic Pear or Temple Plant) [no evidence of serious impacts] |
(1)http://www.landmanager.org.au/view/373023/checklist_of_weeds_in_the_darwin_coastal |
4.01 |
(1)No evidence |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
4.02 |
(1)No evidence |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. |
4.03 |
(1)No evidence |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. |
4.04 |
(1)The plant is lopped for fodder. (2)Table 5.3. Important woody plants consumed by elephants in Sri Lanka. [includes C. religiosa] (3)Table 3.5. C. religiosa eaten by chital or spotted deer in dry and wet season |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. (2)Sukumar, R. 1993. The Asian Elephant: Ecology and Management. Cambridge University Press, Cambridge, UK. (3)Putman, R. 1988. The Natural History of Deer. Cornell University Press. Ithaca, NY. |
4.05 |
(1)The plant is lopped for fodder [no evidence of toxicity to animals] |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
4.06 |
(1)Pests recorded |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. (2)Jim, C. T. 1986. Street trees in high-density urban Hong Kong. Journal of Arboriculture 12(10): 257-263. |
4.07 |
(1)Tender leaves and buds are boiled and squeezed to lessen the bitterness. They are prepared as a vegetable or pickle [no evidence of toxicity to humans] |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
4.08 |
(1)In riverine forest, swamp forest and on forest edges. [unlikely] (2)The young leaves of (8)kum bok (Crateva religiosa), a common tree grown in flooded paddy fields are edible after soaking with rice-water and salt. |
(1)http://www.aluka.org/action/showMetadata?doi=10.5555/AL.AP.FLORA.FZ471&pgs= [Accessed 20 Feb 2009] (2)Prachaiyo, B. 2000. Farmers and Forests: A Changing Phase in Northeast Thailand. Southeast Asian Studies 38(3): 271-446. |
4.09 |
(1)Full sun (2)Full sun to semi-shade |
(1)Llamas, K. A. 2003. Tropical Flowering Plants: A Guide to Identification and Cultivation. Timber Press, Portland, OR. (2)http://www.toptropicals.com/cgi-bin/garden_catalog/cat.cgi?family=Capparidaceae [Accessed 23 Feb 2009] |
4.10 |
(1)Soil descriptors: |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. |
4.11 |
(1)Deciduous tree about 15 m high. |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
4.12 |
(1)No evidence |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. |
5.01 |
(1)Terrestrial |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
5.02 |
(1)Capparaceae |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
5.03 |
(1)Capparaceae |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
5.04 |
(1)Deciduous tree about 15 m high. |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
6.01 |
(1)No evidence |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
6.02 |
(1)Propagated by seeds. |
(1)Manandhar, S. 2002. Plants and People of Nepal. Timber Press, Portland, OR. |
6.03 |
Unknown |
|
6.04 |
(1)Protandry and self-compatibility are common…[unknown for Crateva religiosa] |
(1)Kubitzki, K., K.U. Kramer, P.S. Green, J. G. Rohwer, V. Bittrich, H. Huber, J. W. Kadereit and C. Jeffrey. The families and genera of vascular plants. Springer. Berlin, Germany. |
6.05 |
(1)The nectar-filled flowers are attractive to a multitude of insects and birds. The pierid butterfly (Hebomoia glaucippe) is a frequent visitor to this plant. (2)This plant is attractive to bees, butterflies and/or birds |
(1)http://www.nationmaster.com/encyclopedia/Crateva-religiosa [Accessed 23 Feb 2009] (2)http://davesgarden.com/guides/pf/go/71196/ [Accessed 23 Feb 2009] |
6.06 |
(1)- Ability to sucker; regenerate rapidly |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. |
6.07 |
(1)First seeds: 11-over 20 years |
(1)http://www.landmanager.org.au/view/302784/fire-responses-of--crateva-religiosa.html [Accessed 23 Feb 2009] |
7.01 |
(1)No means of external attachment. |
(1)Stebbins, M. 1999. Flowering Trees of Florida. Pineapple Press Inc., Sarasota, FL. |
7.02 |
(1)Descriptors: agroforestry; amenity; ornamental (2)Common ornamental and sacred plant. |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. (2)Hanelt, P., R. Büttner, Rudolf Mansfeld and Ruth Kilian. 2001. Mansfeld's Encyclopedia of Agricultural and Horticultural Crops. Springer-Verlag, Berlin. |
7.03 |
(1)No evidence. |
(1)CAB International, 2005. Forestry Compendium. Wallingford, UK: CAB International. |
7.04 |
(1)The fruit is a large, spotted berry that is one to two inches in diameter and contains seed about one-quarter inch long. |
(1)Stebbins, M. 1999. Flowering Trees of Florida. Pineapple Press Inc., Sarasota, FL. |
7.05 |
(1)In riverine forest, swamp forest and on forest edges. [distribution suggest fruit could float, but no information found on fruit buoyancy] (2)The young leaves of kum bok (Crateva religiosa), a common tree grown in flooded paddy fields are edible after soaking with rice-water and salt. |
(1)http://www.aluka.org/action/showMetadata?doi=10.5555/AL.AP.FLORA.FZ471&pgs= [Accessed 20 Feb 2009] (2)Prachaiyo, B. 2000. Farmers and Forests: A Changing Phase in Northeast Thailand. Southeast Asian Studies 38(3): 271-446. |
7.06 |
(1)The fruit is a large, spotted berry that is one to two inches in diameter and contains seed about one-quarter inch long. |
(1)Stebbins, M. 1999. Flowering Trees of Florida. Pineapple Press Inc., Sarasota, FL. |
7.07 |
(1)No means of external attachment. |
(1)Stebbins, M. 1999. Flowering Trees of Florida. Pineapple Press Inc., Sarasota, FL. |
7.08 |
(1)The fruit is a large, spotted berry that is one to two inches in diameter and contains seed about one-quarter inch long. |
(1)Stebbins, M. 1999. Flowering Trees of Florida. Pineapple Press Inc., Sarasota, FL. |
8.01 |
(1)Trees 3–15 m tall, to 40 cm d.b.h...Fruit ovoid to obovoid, 1.8–2.6[–3.5] cm; pericarp 5–10 mm thick, apically scabrous and gray to dust-colored with nearly circular ash-yellow flecks; stipe 2.5–3 mm in diam., thickened, woody. Seeds 25–30 per fruit, dark brown, 1.2–1.8 cm, tuberculate. [unlikely given fairly large fruit and seed size] |
(1)Mingli, Z. and G. C. Tucker. Capparaceae. Available from www.foc.org/china/mss/volume07/Capparaceae.pdf [Accessed 23 Feb 2009] |
8.02 |
(1)Storage Behaviour: Orthodox p Storage Conditions: Viability maintained for at least 10 months (Dent, 1948); viability maintained up to 3 years in hermetic storage at room temperature with 13±2% mc (Kaul, 1979) [no evidence from field conditions] |
(1)Liu, K., Eastwood, R.J., Flynn, S., Turner, R.M., and Stuppy, W.H. 2008. Seed Information Database (release 7.1, May 2008) http://www.kew.org/data/sid |
8.03 |
Unknown |
|
8.04 |
Unknown |
|
8.05 |
Unknown |
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This page created 8 December 2009