Pontederia cordata

• Common Names
• Description
• Biology
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Common Names

Click on the language to view common names.

Description

Genus Pontederia

Herbs, annual or perennial , rooted in mud . Vegetative stems submersed and growing to surface, or rhizomatous . Flowering stems submersed and growing to surface, or emersed and slightly constricted just below first node. Sessile leaves forming basal rosette, blade thin. Petiolate leaves floating or emersed; blade cordate to reniform , apex obtuse to acuminate. Inflorescences spicate , commonly 50 or more-flowered, elongating over many days; spathes folded, apex acute to acuminate; peduncle glandular-pubescent or pilose . Flowers open 1 day only; perianth mauve , blue, or white, funnelform , limb lobes oblong to oblanceolate , glandular-pubescent or pilose, apex obtuse to acuminate; stamens 6, distal 3 shorter than proximal 3; filaments purple, glandular-pubescent; anthers yellow, ovoid to oblong; ovary 3-locular, only 1 developing to maturity; ovule 1; style 1 or more. Fruits utriculate, ovoid, with spinulose , dentate or smooth longitudinal ridges . Seed 1, ovoid, smooth.

Species 6: Western Hemisphere.[1]

Physical Description

Habitat

Pond and lake margins ; 0--500 m [2].

Stream , pond and lake banks.

Typically found at an altitude of 0 to 860 meters (0 to 2,822 feet).[3]

Biology

Reproduction

Duration: Perennial

Growth

Culture: Space 3-6" apart.

Soil: Minimum pH: 4.5 • Maximum pH: .1

Sunlight: Sun Exposure: 3-5 hours full sun recommended.

Moisture: Water Requirements: 0-12" water depth.

Temperature: Cold Hardiness: 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b. (map)

Taxonomy

Unambiguous Synonyms

1. Narukila cordata (Linnaeus) Nieuwland
2. Pontederia angustifolia Pursh
3. Pontederia cordata var. angustifolia (Pursh) Torr. and Ell.
4. Pontederia cordata var. lanceolata (Nuttall) Grisebach
5. Pontederia cordata var. lancifolia (Muhlenberg) Torrey
6. Pontederia lanceolata Nutt.
7. Pontederia lanceolata Nuttall
8. Pontederia. lancifolia Muhlenberg
9. Unisema cordata (Linnaeus) Farwell

Notes

An accepted name in the RHS Horticultural Database.

Name Status: Accepted Name. Latest taxonomic scrutiny: 15-Mar-2000.

Name verified on 28-Sep-1994 by ARS Systematic Botanists.

Similar Species

Members of the genus Pontederia

ZipcodeZoo has pages for 59 species, subspecies, varieties, forms, and cultivars in this genus:

P. alba · P. angustifolia · P. aquatica · P. azurea · P. brasiliensis · P. cernua · P. coerulea · P. cordata (Pickerel Weed Pickerel Rush) · P. cordata 'Alba' (White Pickerel Rush) · P. cordata angustifolia · P. cordata 'Blue Spires' · P. cordata f. albiflora (White Pickerel Weed) · P. cordata lancifolia · P. cordata light blue · P. cordata 'Pink Pons' · P. cordata sagittata · P. cordata 'Singapore Pink' (Pickerel Weed) · P. cordata var. albiflora (Pickerel-Weed) · P. cordata var. cordata (Pickerelweed) · P. cordata var. ovalis (Pickerel-Weed) · P. cordifolia · P. crassicaulis · P. crassipes (Floating Water Hyacinth) · P. dilatata · P. dubia · P. elongata · P. eriantha · P. hastata (Arrowleaf Falsepickerelweed) · P. heterantherimorpha · P. lagoensis · P. lanceolata · P. lancifolia · P. limosa · P. linearis · P. maculata · P. martiana · P. martiusiana · P. mucronata · P. natans · P. nymphaeifolia · P. oblonga · P. ovalis · P. ovata · P. paniculata · P. paradoxa · P. parviflora · P. plantaginea · P. racemosa · P. renniformis · P. rotundifolia (Tropical Pickerelweed Pontederia Rotundifolia) · P. sagittata · P. schomburgkiana · P. stricta · P. subovata · P. triandra · P. tricolor · P. triflora · P. vaginalis · P. vaginata

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Further Reading

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• A naturalist in Brazil; the record of a year's observation of her flora, her fauna, and her people, by Konrad Guenther translated by Bernard Miall Boston, Houghton Mifflin Company, 1931. ENG url p. 382.
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• An introduction to the chemistry of plant products by Paul Haas and T. G. Hill. London, Longmans, Green, 1928-1929. ENG url p. 148.
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• Vestnk Krlovsk cesk spolecnosti nùk. Trda mathematicko-prrodovedeck. Sitzungsberichte der Knigl. Bhmischen Gesellschaft der Wissenschaften. Mathematisch-naturwissenschaftliche Classe. Praze, Nkladem Krlovsk cesk spolecnosti nùk. CZE url p. 21.

Notes

Contributors

• Bisby, F.A., Y.R. Roskov, M.A. Ruggiero, T.M. Orrell, L.E. Paglinawan, P.W. Brewer, N. Bailly, J. van Hertum, eds (2007). Species 2000 and ITIS Catalogue of Life: 2007 Annual Checklist. Species 2000: Reading, U.K.
• Brands, S.J. (comp.) 1989-2007. Systema Naturae 2000. The Taxonomicon. Universal Taxonomic Services, Amsterdam, The Netherlands. Accessed March 28, 2007.
• Global Biodiversity Information Facility. Accessed March 30, 2007. http://www.gbif.org Mediated distribution data from provider.
• "Pontederia cordata". in Flora of North America Vol. 26 Page 45, 46. Published by Oxford University Press. Online at EFloras.org.
• The International Plant Names Index. Accessed Jan 19, 2007.
• USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. URL (April 30, 2008)
• World Checklist of Selected Plant Families

Data Sources

Accessed through GBIF Data Portal November 14, 2007:

• Bundesamt für Naturschutz / Zentralstelle für Phytodiversität Deutschland, Bundesamt fuer Naturschutz / Zentralstelle fuer Phytodiversitaet Deutschland
• Canadian Museum of Nature, Canadian Museum of Nature Herbarium
• Herbier de la Guyane, Herbier de la Guyane
• Missouri Botanical Garden, Missouri Botanical Garden
• NLBIF, Limnodata
• National Herbarium of New South Wales, NSW herbarium collection
• Oregon State University, Vascular Plant Collection
• SysTax, Herbarium Universitat Ulm
• SysTax, Royal Ontario Museum
• SysTax, SysTax
• SysTax, Universidade Federal de Mato Grosso
• UK National Biodiversity Network, Botanical Society of the British Isles - Vascular Plants Database
• USDA PLANTS, USDA PLANTS Database
• University of Alabama Biodiversity and Systematics, Herbarium

Identifiers

• Biodiversity Heritage Library NamebankID: 2662315
• Catalogue of Life Accepted Name Code: Kew-259449
• Global Biodiversity Information Facility Taxonkey: 13848639
• Globally Unique Identifier: urn:lsid:ipni.org:names:698144-1
• GRIN Nomen Number: 400116
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 42620
• International Plant Names Index (IPNI) ID: 283610-2
• MoBot NameID: 26100006
• U.S.D.A. Plant Symbol: POLA17
• Zipcode Zoo Species Identifier: 57703

Footnotes

1. "Pontederia". in Flora of North America Vol. 26 Page 37, 41, 45. Oxford University Press. Online at EFloras.org. [back]
2. "Pontederia cordata". in Flora of North America Vol. 26 Page 45, 46. Oxford University Press. Online at EFloras.org. [back]
3. Mean = 140.550 meters (461.122 feet), Standard Deviation = 146.690 based on 1,067 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

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