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Polystachya Concreta SCORE: 4.0 RATING: Low Risk (Jacq.) Garay & H

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Polystachya Concreta SCORE: 4.0 RATING: Low Risk (Jacq.) Garay & H TAXON: Polystachya concreta SCORE: 4.0 RATING: Low Risk (Jacq.) Garay & H. R. Sweet Taxon: Polystachya concreta (Jacq.) Garay & H. R. Sweet Family: Orchidaceae Common Name(s): great yellow spike orchid Synonym(s): Basionym: Epidendrum concretum Jacq. yellow spike orchid Assessor: Chuck Chimera Status: Assessor Approved End Date: 19 Jul 2018 WRA Score: 4.0 Designation: L Rating: Low Risk Keywords: Epiphytic Herb, Naturalized, Shade-Tolerant, Self-Compatible, Wind-Dispersed 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 ? 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) n 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) n 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: 19 Jul 2018 (Polystachya concreta Page 1 of 17 (Jacq.) Garay & H. R. Sweet) TAXON: Polystachya concreta SCORE: 4.0 RATING: Low Risk (Jacq.) Garay & H. R. Sweet Qsn # Question Answer Option Answer Tolerates a wide range of soil conditions (or limestone 410 y=1, n=0 n 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 y=1, n=-1 y 605 Requires specialist pollinators y=-1, n=0 y 606 Reproduction by vegetative fragmentation 607 Minimum generative time (years) Propagules likely to be dispersed unintentionally (plants 701 y=1, n=-1 n 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 y 705 Propagules water dispersed y=1, n=-1 n 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) y=1, n=-1 y Evidence that a persistent propagule bank is formed (>1 802 yr) 803 Well controlled by herbicides 804 Tolerates, or benefits from, mutilation, cultivation, or fire Effective natural enemies present locally (e.g. introduced 805 biocontrol agents) Creation Date: 19 Jul 2018 (Polystachya concreta Page 2 of 17 (Jacq.) Garay & H. R. Sweet) TAXON: Polystachya concreta SCORE: 4.0 RATING: Low Risk (Jacq.) Garay & H. R. Sweet Supporting Data: Qsn # Question Answer 101 Is the species highly domesticated? n Source(s) Notes La Croix, I. F. 2008. The New Encyclopedia of Orchids: [Cultivated, but not domesticated] "United States (Florida), Central 1500 Species in Cultivation. Timber Press, Portland, OR and South America, Asia" 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 "Epiphytic on trees in dense forests or thickets; ϲϬϬʹϭϱϬϬm. S Wu, Z. Y., Raven, P. H. & Hong, D. Y. eds. 2009. Flora of Yunnan [Cambodia, India (including Nicobar Islands), Indonesia, China. Vol. 25 (Orchidaceae). Science Press, Beijing, and Laos, Malaysia, Philippines, Sri Lanka, Thailand, Vietnam; Africa, Missouri Botanical Garden Press, St. Louis subtropical and tropical America]." "Native Africa WESTERN INDIAN OCEAN: Madagascar Asia-Tropical INDIAN SUBCONTINENT: India, Sri Lanka INDO-CHINA: Myanmar MALESIA: Indonesia, Philippines USDA, ARS, Germplasm Resources Information Network. Northern America 2018. National Plant Germplasm System [Online SOUTHEASTERN U.S.A.: United States [Florida] Database]. http://www.ars-grin.gov/npgs/index.html. Southern America [Accessed 18 Jul 2018] CARIBBEAN: Dominica, Grenada, Guadeloupe, Martinique, Montserrat, Puerto Rico, St. Kitts and Nevis, [St. Kitts] St. Vincent and Grenadines [St. Vincent] CENTRAL AMERICA: Nicaragua NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela BRAZIL: Brazil WESTERN SOUTH AMERICA: Bolivia, Colombia, Ecuador, Peru" Creation Date: 19 Jul 2018 (Polystachya concreta Page 3 of 17 (Jacq.) Garay & H. R. Sweet) TAXON: Polystachya concreta SCORE: 4.0 RATING: Low Risk (Jacq.) Garay & H. R. Sweet Qsn # Question Answer 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 18 Jul 2018] 203 Broad climate suitability (environmental versatility) y Source(s) Notes Wu, Z. Y., Raven, P. H. & Hong, D. Y. eds. 2009. Flora of China. Vol. 25 (Orchidaceae). Science Press, Beijing, and "Epiphytic on trees in dense forests or thickets; ϲϬϬʹϭϱϬϬm." Missouri Botanical Garden Press, St. Louis "Polystachya concreta has a large altitudinal amplitude and can be found growing from sea level to about 1500 m (Comber, 1990 & 2001; Seidenfaden & Wood, 1992; Cootes, 2001;Chen et al., 2009). Because of its extremely wide distribution, it can be found in a myriad of habitats, growing as an epiphyte on tree trunks and Lok, A. F. S. L., Ang, W. F., & Tan, H. T. (2011). The branches in lowland tropical forest, in montane forest (Seidenfaden rediscovery in Singapore of Polystachya concreta (Jacq.) & Wood, 1992; Cootes, 2001), in cultivated teak forest in moist areas Garay & HR Sweet (Orchidaceae). Nature in Singapore, 4: of Java (Comber, 1990), in open woodlands (Demissew et al., 2004), 19-24 in cypress swamps, in hammocks and mangroves in Florida (Romero- González et al., 2003), and in thickets in South Yunnan (Chen et al., 2009). Polystachya concreta is also sometimes found growing terrestrially on podosolic soils under Leptospermum trees and Baeckia shrubs in North Sumatra (Comber, 1990, 2001), and lithophytically (Cootes, 2001)." Native or naturalized in regions with tropical or 204 y subtropical climates Source(s) Notes "Native Africa WESTERN INDIAN OCEAN: Madagascar Asia-Tropical INDIAN SUBCONTINENT: India, Sri Lanka INDO-CHINA: Myanmar MALESIA: Indonesia, Philippines USDA, ARS, Germplasm Resources Information Network. Northern America 2018. National Plant Germplasm System [Online SOUTHEASTERN U.S.A.: United States [Florida] Database]. http://www.ars-grin.gov/npgs/index.html. Southern America [Accessed 18 Jul 2018] CARIBBEAN: Dominica, Grenada, Guadeloupe, Martinique, Montserrat, Puerto Rico, St. Kitts and Nevis, [St. Kitts] St. Vincent and Grenadines [St. Vincent] CENTRAL AMERICA: Nicaragua NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela BRAZIL: Brazil WESTERN SOUTH AMERICA: Bolivia, Colombia, Ecuador, Peru" Creation Date: 19 Jul 2018 (Polystachya concreta Page 4 of 17 (Jacq.) Garay & H. R. Sweet) TAXON: Polystachya concreta SCORE: 4.0 RATING: Low Risk (Jacq.) Garay & H. R. Sweet Qsn # Question Answer "Previously known as a naturalized epiphyte on O͚ahu (Staples et al. Oppenheimer, H. 2016. New Hawaiian Plant Records for 2003: 17) and West Maui (Oppenheimer 2013: 18), this orchid was 2015. Bishop Museum Occasional Papers 118: ϮϯʹϮϴ found locally common in lowland wet forest on Moloka͚i." "The orchid enjoys a pan-tropical distribution (Sathish Kumar and Manilal 1994) involving southern Yunnan in China, Indochina, Teoh, E. S. (2016). Medicinal Orchids of Asia. Springer, Thailand, Malaysia, India, Sri Lanka, Africa and tropical and Switzerland subtropical America (Chen and Wood 2009), and it has been assigned over 50 botanical names (Seidenfaden 1999)." Does the species have a history of repeated 205 ? introductions outside its natural range? Source(s) Notes [Widespread natural distribution. Uncertain how much it has been introduced outside broad native range] "The orchid enjoys a pan- tropical distribution (Sathish Kumar and Manilal 1994) involving Teoh, E. S. (2016). Medicinal Orchids of Asia. Springer, southern Yunnan in China, Indochina, Thailand, Malaysia, India, Sri Switzerland Lanka, Africa and tropical and subtropical America (Chen and Wood 2009), and it has been assigned over 50 botanical names (Seidenfaden 1999)." 301 Naturalized beyond native range y Source(s) Notes "First collected on O͚ahu (Staples et al. 2003: 17), this epiphyte had not been previously documented in Hawai͚i. on West Maui, it is found growing ϭ͘ϱʹϯ͘Ϭm above ground level, mostly on Dodonaea viscosa Jacq., and less frequently on Metrosideros polymorpha Gaudich., in degraded Metrosideros/Dicranopteris lowland Wet Forest.
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