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TAXON:Heliotropium Amplexicaule Vahl SCORE:20.0 RATING:High Risk TAXON: Heliotropium amplexicaule SCORE: 20.0 RATING: High Risk Vahl Taxon: Heliotropium amplexicaule Vahl Family: Boraginaceae Common Name(s): blue heliotrope Synonym(s): Cochranea anchusaefolia (Poir.) Gürke clasping heliotrope Heliotropium anchusifolium Poir. summer heliotrope Tournefortia heliotropioides Hook. violet heliotrope wild heliotrope wild verbena Assessor: No Assessor Status: Assessor Approved End Date: 12 Jul 2018 WRA Score: 20.0 Designation: H(HPWRA) Rating: High Risk Keywords: Perennial Herb, Agricultural Weed, Toxic, Externally Dispersed, Resprouts 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 n 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 303 Agricultural/forestry/horticultural weed n=0, y = 2*multiplier (see Appendix 2) y 304 Environmental weed n=0, y = 2*multiplier (see Appendix 2) y 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 y=1, n=-1 n 405 Toxic to animals y=1, n=0 y 406 Host for recognized pests and pathogens Creation Date: 12 Jul 2018 (Heliotropium amplexicaule Page 1 of 16 Vahl) TAXON: Heliotropium amplexicaule SCORE: 20.0 RATING: High Risk Vahl Qsn # Question Answer Option Answer 407 Causes allergies or is otherwise toxic to humans 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 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 n 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 y=-1, n=0 n 606 Reproduction by vegetative fragmentation y=1, n=-1 n 607 Minimum generative time (years) 1 year = 1, 2 or 3 years = 0, 4+ years = -1 1 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 y=1, n=-1 y 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 y 708 Propagules survive passage through the gut y=1, n=-1 y 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 y=1, n=-1 y Effective natural enemies present locally (e.g. introduced 805 biocontrol agents) Creation Date: 12 Jul 2018 (Heliotropium amplexicaule Page 2 of 16 Vahl) TAXON: Heliotropium amplexicaule SCORE: 20.0 RATING: High Risk Vahl Supporting Data: Qsn # Question Answer 101 Is the species highly domesticated? n Source(s) Notes Parsons, W.T. & Cuthbertson, E.G. 2001. Noxious Weeds of [No evidence of domestication] "Blue heliotrope is native to South Australia. Second Edition. CSIRO Publishing, Collingwood, America and was probably introduced as an ornamental in the latter Australia part of the 19th century." [No evidence of domestication] "Native to Argentina and Uruguay, Wagner, W.L., Herbst, D.R.& Sohmer, S.H. 1999. Manual of now widely naturalized; in Hawai'i cultivated in gardens and the flowering plants of Hawaii. Revised edition. University naturalized in low elevation, dry, disturbed sites on O'ahu, Moloka'i, of Hawai͚i Press and Bishop Museum Press, Honolulu, HI. Maui, and Hawai'i." 102 Has the species become naturalized where grown? Source(s) Notes WRA Specialist. 2018. Personal Communication NA 103 Does the species have weedy races? Source(s) Notes WRA Specialist. 2018. 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 "Native USDA, ARS, Germplasm Resources Information Network. Southern America 2018. National Plant Germplasm System [Online BRAZIL: Brazil (s.) Database]. http://www.ars-grin.gov/npgs/index.html. WESTERN SOUTH AMERICA: Bolivia (s.) [Accessed 11 Jul 2018] SOUTHERN SOUTH AMERICA: Argentina, Uruguay" 202 Quality of climate match data High Source(s) Notes USDA, ARS, Germplasm Resources Information Network. 2018. National Plant Germplasm System [Online Database]. http://www.ars-grin.gov/npgs/index.html. [Accessed 11 Jul 2018] 203 Broad climate suitability (environmental versatility) n Source(s) Notes Wagner, W.L., Herbst, D.R.& Sohmer, S.H. 1999. Manual of "in Hawai'i cultivated in gardens and naturalized in low elevation, the flowering plants of Hawaii. Revised edition. University dry, disturbed sites" of Hawai͚i Press and Bishop Museum Press, Honolulu, HI. Creation Date: 12 Jul 2018 (Heliotropium amplexicaule Page 3 of 16 Vahl) TAXON: Heliotropium amplexicaule SCORE: 20.0 RATING: High Risk Vahl Qsn # Question Answer Parsons, W.T. & Cuthbertson, E.G. 2001. Noxious Weeds of Australia. Second Edition. CSIRO Publishing, Collingwood, "Warm, temperate and sub tropical regions" Australia Hardiness: USDA Zone 7a: to -17.7 °C (0 °F) Dave's Garden. (2018). Heliotropium Species, Clasping USDA Zone 7b: to -14.9 °C (5 °F) Heliotrope - Heliotropium amplexicaule. USDA Zone 8a: to -12.2 °C (10 °F) https://davesgarden.com/guides/pf/go/80170/. [Accessed USDA Zone 8b: to -9.4 °C (15 °F) 12 Jul 2018] USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F) Native or naturalized in regions with tropical or 204 y subtropical climates Source(s) Notes "Native to Argentina and Uruguay, now widely naturalized; in Hawai'i Wagner, W.L., Herbst, D.R.& Sohmer, S.H. 1999. Manual of cultivated in gardens and naturalized in low elevation, dry, disturbed the flowering plants of Hawaii. Revised edition. University sites on O'ahu, Moloka'i, Maui, and Hawai'i. First collected on O'ahu of Hawai͚i Press and Bishop Museum Press, Honolulu, HI. in 1916 (Forbes & Forbes 2382.0, BISH), but in cultivation prior to 1871 (Hillebrand, 1888)." "Native USDA, ARS, Germplasm Resources Information Network. Southern America 2018. National Plant Germplasm System [Online BRAZIL: Brazil (s.) Database]. http://www.ars-grin.gov/npgs/index.html. WESTERN SOUTH AMERICA: Bolivia (s.) [Accessed 11 Jul 2018] SOUTHERN SOUTH AMERICA: Argentina, Uruguay" Does the species have a history of repeated 205 y introductions outside its natural range? Source(s) Notes "Heliotropium amplexicaule, blue heliotrope, is native to South Whistler, W.A. 2000. Tropical Ornamentals: A Guide. America but is widely if not commonly cultivated in the tropics and Timber Press, Portland, OR subtropics as a ground cover and for its blue-violet flowers." 301 Naturalized beyond native range y Source(s) Notes "Blue heliotrope is native to South America and was probably introduced as an ornamental in the latter part of the 19th century. It Parsons, W.T. & Cuthbertson, E.G. 2001. Noxious Weeds of is now widespread in south-•eastern Queensland and northern New Australia. Second Edition. CSIRO Publishing, Collingwood, South Wales, extending southwards as scattered colonies almost to Australia the Victorian border and westward to Broken Hill. It also occurs in South Australia near Adelaide, in the Flinders Ranges and at Melrose and Victor Harbour. It is not known elsewhere in Australia." "in Hawai'i cultivated in gardens and naturalized in low elevation, Wagner, W.L., Herbst, D.R.& Sohmer, S.H. 1999. Manual of dry, disturbed sites on O'ahu, Moloka'i, Maui, and Hawai'i. First the flowering plants of Hawaii. Revised edition. University collected on O'ahu in 1916 (Forbes & Forbes 2382.0, BISH), but in of Hawai͚i Press and Bishop Museum Press, Honolulu, HI. cultivation prior to 1871 (Hillebrand, 1888)." Creation Date: 12 Jul 2018 (Heliotropium amplexicaule Page 4 of 16 Vahl) TAXON: Heliotropium amplexicaule SCORE: 20.0 RATING: High Risk Vahl Qsn # Question Answer "It was introduced into Australia from South America as an ornamental plant in the late 1800s. Over the last 40 years there has Briese, D. T. (2012). Heliotropium amplexicaule Vahlʹblue been a rapid and continuing expansion of its range and there are heliotrope. Pp. 282-288 in Julien, M. H., McFadyen, R. E., now widespread infestations in south-eastern Qld and northern & Cullen, J. (Eds.). Biological Control of Weeds in Australia. NSW, with scattered colonies extending into Vic and further into SA CSIRO Publishing, Collingwood, Australia (Fig.
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