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TAXON:Impatiens Sodenii SCORE:11.0 RATING:High Risk

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TAXON:Impatiens Sodenii SCORE:11.0 RATING:High Risk TAXON: Impatiens sodenii SCORE: 11.0 RATING: High Risk Taxon: Impatiens sodenii Family: Balsaminaceae Common Name(s): poor man͛s Rhododendron Synonym(s): Impatiens oliveri C. H. Wright ex W. Watson shrub balsam Impatiens thomsonii Oliv. Oliver's touch-me-not Assessor: Chuck Chimera Status: Assessor Approved End Date: 22 Jul 2015 WRA Score: 11.0 Designation: H(HPWRA) Rating: High Risk Keywords: Tropical Shrub, Shade-Tolerant, Thicket-Forming, Spreads Vegetatively, Mechanical Dispersal Qsn # Question Answer Option Answer 101 Is the species highly domesticated? y=-3, n=0 n 102 Has the species become naturalized where grown? 103 Does the species have weedy races? Species suited to tropical or subtropical climate(s) - If 201 island is primarily wet habitat, then substitute "wet (0-low; 1-intermediate; 2-high) (See Appendix 2) High tropical" for "tropical or subtropical" 202 Quality of climate match data (0-low; 1-intermediate; 2-high) (See Appendix 2) High 203 Broad climate suitability (environmental versatility) y=1, n=0 y Native or naturalized in regions with tropical or 204 y=1, n=0 y subtropical climates Does the species have a history of repeated introductions 205 y=-2, ?=-1, n=0 y outside its natural range? 301 Naturalized beyond native range y = 1*multiplier (see Appendix 2), n= question 205 y 302 Garden/amenity/disturbance weed n=0, y = 1*multiplier (see Appendix 2) y 303 Agricultural/forestry/horticultural weed n=0, y = 2*multiplier (see Appendix 2) n 304 Environmental weed 305 Congeneric weed n=0, y = 1*multiplier (see Appendix 2) y 401 Produces spines, thorns or burrs y=1, n=0 n 402 Allelopathic 403 Parasitic y=1, n=0 n 404 Unpalatable to grazing animals 405 Toxic to animals y=1, n=0 n 406 Host for recognized pests and pathogens 407 Causes allergies or is otherwise toxic to humans y=1, n=0 n 408 Creates a fire hazard in natural ecosystems y=1, n=0 n 409 Is a shade tolerant plant at some stage of its life cycle y=1, n=0 y Creation Date: 22 Jul 2015 (Impatiens sodenii) Page 1 of 15 TAXON: Impatiens sodenii SCORE: 11.0 RATING: High Risk Qsn # Question Answer Option Answer Tolerates a wide range of soil conditions (or limestone 410 y=1, n=0 y conditions if not a volcanic island) 411 Climbing or smothering growth habit y=1, n=0 n 412 Forms dense thickets y=1, n=0 y 501 Aquatic y=5, n=0 n 502 Grass y=1, n=0 n 503 Nitrogen fixing woody plant y=1, n=0 n Geophyte (herbaceous with underground storage organs 504 y=1, n=0 n -- bulbs, corms, or tubers) Evidence of substantial reproductive failure in native 601 y=1, n=0 n habitat 602 Produces viable seed y=1, n=-1 y 603 Hybridizes naturally 604 Self-compatible or apomictic 605 Requires specialist pollinators 606 Reproduction by vegetative fragmentation y=1, n=-1 y 607 Minimum generative time (years) Propagules likely to be dispersed unintentionally (plants 701 y=1, n=-1 y growing in heavily trafficked areas) 702 Propagules dispersed intentionally by people y=1, n=-1 y 703 Propagules likely to disperse as a produce contaminant 704 Propagules adapted to wind dispersal y=1, n=-1 n 705 Propagules water dispersed y=1, n=-1 y 706 Propagules bird dispersed y=1, n=-1 n 707 Propagules dispersed by other animals (externally) y=1, n=-1 n 708 Propagules survive passage through the gut y=1, n=-1 n 801 Prolific seed production (>1000/m2) Evidence that a persistent propagule bank is formed (>1 802 yr) 803 Well controlled by herbicides y=-1, n=1 y 804 Tolerates, or benefits from, mutilation, cultivation, or fire Effective natural enemies present locally (e.g. introduced 805 biocontrol agents) Creation Date: 22 Jul 2015 (Impatiens sodenii) Page 2 of 15 TAXON: Impatiens sodenii SCORE: 11.0 RATING: High Risk Supporting Data: Qsn # Question Answer 101 Is the species highly domesticated? n Source(s) Notes Grey-Wilson, C. 1980. Impatiens of Africa. A.A. Balkema, No evidence Rotterdam, Netherlands 102 Has the species become naturalized where grown? Source(s) Notes WRA Specialist. 2015. Personal Communication NA 103 Does the species have weedy races? Source(s) Notes WRA Specialist. 2015. Personal Communication NA Species suited to tropical or subtropical climate(s) - If 201 island is primarily wet habitat, then substitute "wet High tropical" for "tropical or subtropical" Source(s) Notes USDA, ARS, National Genetic Resources Program. 2015. Germplasm Resources Information Network - (GRIN) "Native: [Online Database]. National Germplasm Resources AFRICA Laboratory, Beltsville, Maryland. URL: http://www.ars- East Tropical Africa: Kenya; Tanzania" grin.gov/. [Accessed 20 Jul 2015] 202 Quality of climate match data High Source(s) Notes USDA, ARS, National Genetic Resources Program. 2015. Germplasm Resources Information Network - (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://www.ars- grin.gov/. [Accessed 20 Jul 2015] 203 Broad climate suitability (environmental versatility) y Source(s) Notes [Elevation range exceeds 1000 m] "Growing in damp shaded or Grey-Wilson, C. 1980. Impatiens of Africa. A.A. Balkema, rather exposed places, upland rain forests. gullies, cliff ledges and Rotterdam, Netherlands mountain ridges or amongst boulders; often on granitic rocks; altitudinal range 1000-2700 m." Native or naturalized in regions with tropical or 204 y subtropical climates Creation Date: 22 Jul 2015 (Impatiens sodenii) Page 3 of 15 TAXON: Impatiens sodenii SCORE: 11.0 RATING: High Risk Qsn # Question Answer Source(s) Notes Wagner, W.L., Herbst, D.R.& Sohmer, S.H. 1999. Manual of the flowering plants of Hawaii. Revised edition. University "Native to eastern tropical Africa" of Hawai͚i Press and Bishop Museum Press, Honolulu, HI. "Native: AFRICA East Tropical Africa: Kenya; Tanzania [n. & e.] Naturalized: USDA, ARS, National Genetic Resources Program. 2015. AFRICA Germplasm Resources Information Network - (GRIN) Macaronesia: Spain - Canary Islands [Gran Canaria] [Online Database]. National Germplasm Resources AUSTRALASIA Laboratory, Beltsville, Maryland. URL: http://www.ars- New Zealand: New Zealand - North Island grin.gov/. [Accessed 20 Jul 2015] PACIFIC North-Central Pacific: United States - Hawaii SOUTHERN AMERICA Western South America: Colombia" Does the species have a history of repeated 205 y introductions outside its natural range? Source(s) Notes "Naturalized: AFRICA USDA, ARS, National Genetic Resources Program. 2015. Macaronesia: Spain - Canary Islands [Gran Canaria] Germplasm Resources Information Network - (GRIN) AUSTRALASIA [Online Database]. National Germplasm Resources New Zealand: New Zealand - North Island Laboratory, Beltsville, Maryland. URL: http://www.ars- PACIFIC grin.gov/. [Accessed 22 Jul 2015] North-Central Pacific: United States - Hawaii SOUTHERN AMERICA Western South America: Colombia" 301 Naturalized beyond native range y Source(s) Notes Sykes, W.R. (1982) Checklist of dicotyledons naturalised in New Zealand 15. Annonales, Berberidales, Cactales, Fagales, some Geraniales, Juglandales, Laurales, Rutales, "Escape from cultivation; N Auckland, Auckland City, Wellington." Salicales, Sapindales, Tiliales, Nyctaginaceae, and Zygophyllaceae. New Zealand Journal of Botany, 20(4): 333-341 Wagner, W.L., Herbst, D.R.& Sohmer, S.H. 1999. Manual of "in Hawai'i sparingly naturalized in mesic forest, especially along the flowering plants of Hawaii. Revised edition. University streams, Koke'e area, Kaua'i. First collected in 1956 (Holt s.n., BISH)." of Hawai͚i Press and Bishop Museum Press, Honolulu, HI. "Naturalized: AFRICA USDA, ARS, National Genetic Resources Program. 2015. Macaronesia: Spain - Canary Islands [Gran Canaria] Germplasm Resources Information Network - (GRIN) AUSTRALASIA [Online Database]. National Germplasm Resources New Zealand: New Zealand - North Island Laboratory, Beltsville, Maryland. URL: http://www.ars- PACIFIC grin.gov/. [Accessed 20 Jul 2015] North-Central Pacific: United States - Hawaii SOUTHERN AMERICA Western South America: Colombia" Creation Date: 22 Jul 2015 (Impatiens sodenii) Page 4 of 15 TAXON: Impatiens sodenii SCORE: 11.0 RATING: High Risk Qsn # Question Answer "On East Maui, this species had volunteered in a yard several years ago (Fern Duvall, pers. comm.); these plants are now 2m tall and fruiting. More plants were seen in a nearby gully dominated by Oppenheimer, Hank L. 2003. New plant records from Maui Hedychium gardnerianum. It had previously been known to be and Hawai͚i Counties. Bishop Museum Occasional Papers. naturalized only on Kaua͚i (Wagner et al., 1990: 380). Wagner et al. 73: 3-30 (1999: 1864) reported the taxonomic change. Material examined: MAUI: East Maui, Makawao Dist, 24 Mar 2001, Olinda, 1082 m, Oppenheimer & F. Duvall H30141; in gulch E of Pi͚iholo Rd, 1134 m, Oppenheimer & F. Duvall H30142." 302 Garden/amenity/disturbance weed y Source(s) Notes Williams, P.A. & Hayes, L.M. 2007. Emerging weed issues "Appendix 2. Naturalised plants on the West Coast and parameters for the West Coast Regional Council and their prospects indicating their weediness" [Impatiens sodenii - "Occasional in for biocontrol. Landcare Research Contract Report: gardens near Karamea but barely naturalised."] LC0607/109. Landcare Research, Lincoln, NZ Wagner, W.L., Herbst, D.R.& Sohmer, S.H. 1999. Manual of "in Hawai'i sparingly naturalized in mesic forest, especially along the flowering plants of Hawaii. Revised edition. University streams, Koke'e area, Kaua'i." of Hawai͚i Press and Bishop Museum Press, Honolulu, HI. [Invades degraded forests] "Why is it weedy? Roots at nodes, Weedbusters. 2015. Shrub Balsam. Impatiens sodenii. spreads by layering, and forms dense stands in degraded and http://www.weedbusters.org.nz/weed- revegetating forest. Moderate to high shade tolerance." ... "What information/impatiens-sodenii/59/. [Accessed 22 Jul damage does it do? Replaces other vegetation on forest floor, and 2015] prevents seedlings of native species establishing. " 303 Agricultural/forestry/horticultural weed n Source(s) Notes Randall, R.P. 2012. A Global Compendium of Weeds. 2nd Edition. Department of Agriculture and Food, Western No evidence Australia 304 Environmental weed Source(s) Notes "Why is it weedy? Roots at nodes, spreads by layering, and forms Weedbusters.
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