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	Pontederia - Definition, explanation
		Pontederia is a genus of aquatic plants, commonly called the pickerel weeds.
		Pontederia are endemic to the Americas, they are distributed from Canada to Argentina, where they are found in patrially submerged in shallow water or on mud.
		Pontederia plants have large waxy leaves, succulent stems and a thick pad of fibrous roots.
	www.calsky.com /lexikon/en/txt/p/po/pontederia.php (169 words)

	KBD: Kew Bibliographic Databases: Search results (Site not responding. Last check: 2007-10-26)
		Green P. Pontederia cordata and Sagittaria rigida new to Ireland.
		1983 Male fertility and anisoplethic population structure in tristylous Pontederia cordata (Pontederiaceae).
		1983 Trimorphic incompatibility in Mexican populations of Pontederia sagittata Presl.
	www.kew.org /kbd/advancedsearch.do?keywords=Pontederia (267 words)

	NEERLANDs Tuin - Pontederia, snoekkruid
		Pontederia cordata groeit op de overgang van droog naar nat en bloeit met diepblauwe bloemen
		Pontederia is het enige geslacht van de familie van de Pontederiaceae.
		Behalve dat de oorspronkelijke, blauw bloeiende soort van Pontederia cordata zijn er nu ook witte cultuurvariëteiten (schaars) verkrijgbaar: Pontederia cordata 'Alba' en Pontederia cordata 'White Pike'.
	www.neerlandstuin.nl /planten/pontederia.html (498 words)

	NBAT - het Aquarium: snoekkruid, Pontederia cordata
		In de rijstvelden van Zuid-Amerika is snoekkruid (Pontederia) een lastig onkruid, dat moeilijk te bestrijden is. Voor ons is het een prachtige vijverplant.
		Het is niet uitgesloten dat een of meer van deze soorten geschikt zou kunnen zijn voor (zomerse) buitencultuur.
		Pontederia subovata is een klein plantje met eerder eivormige blaadjes en komt alleen in Zuid-Amerika voor.
	www.nbat.nl /aquarium/snoekkruid.html (1275 words)

	Cortical development in roots of the aquatic plant Pontederia cordata (Pontederiaceae) -- Seago et al. 87 (8): 1116 -- ...
		The typical relationship between the apical meristem with one tier of cortical-epidermal initials (asterisk) and the ground meristem (including proendodermis and prohypodermis) and the protoderm.
		Pontederia is emergent with roots immersed and anchored in the
		Charlton, W. 1975 Distribution of lateral roots and pattern of lateral initiation in Pontederia cordata L. Botanical Gazette 136: 225–235.
	www.amjbot.org /cgi/content/full/87/8/1116 (6044 words)

	Brooklyn Botantic Garden: Plant Records
		Kohn, J. Reconstruction of the evolution of reproductive characters in Pontederiaceae using phylogenetic evidence from chloroplast DNA restriction-site variation Evolution 50: 1454-1469.
		Orth, A. I.; Waddington, K. The movement patterns of carpenter bees Xylocopa micans and bumblebees Bombus pennsylvanicus on Pontederia cordata inflorescences J. Insect Behavior 10: 79-86.
		Richards, J. H.; Barrett, S. Development of tristyly in Pontederia cordata Pontederiaceae I. Mature floral structure and patterns of relative growth of reproductive organs Amer.
	www.bbg.org /cgi/biblio/refquery.cgi?Pontederia (363 words)

	Viewing Product - Pontederia cordata 'Singapore Pink' Pickerel Weed (Aquatic Plant) - Stokes Tropicals
		Pontederia cordata 'Singapore Pink' Pickerel Weed (Aquatic Plant)
		Pontederia cordata ‘Singapore Pink’- Medium height, dark green color, and tight clumping habit make a wonderful contrast to taller plants.
		Pontederia dilatata 'Royal Blue' Pickerel Weed (Aquatic Plant)
	www.stokestropicals.com /detail.aspx?ID=143 (130 words)

	Comprehensive Report Association - Peltandra virginica - Pontederia cordata Tidal Herbaceous Vegetation
		Peltandra virginica - Pontederia cordata Tidal Herbaceous Vegetation
		Summary: These are freshwater tidal marshes dominated by variable mixtures of Peltandra virginica and Pontederia cordata that are best expressed along the north Atlantic coast southward to Virginia.
		Pontederia cordata - Peltandra virginica - Sagittaria latifolia Herbaceous Vegetation
	www.natureserve.org /explorer/servlet/NatureServe?searchCommunityUid=ELEMENT_GLOBAL.2.688713 (1912 words)

	Vijver en Tuinplezier - snoekkruid, moerashyacint, Pontederia cordata (Site not responding. Last check: 2007-10-26)
		Herkomst: Pontederia cordata komt in vele delen van Noord- Amerika (tot in Zuid-Canada), Midden-Amerika en zuidelijk Zuid- Amerika voor.
		Er wordt altijd beweerd, dat Pontederia niet winterhard is. Bevriezing kan echter alleen optreden als de planten (te) ondiep staan.
		Bijzonderheden: Pontederia was tijdens de Floriade 1992 in Zoetermeer een van de publiekstrekkers in de inzending Waterrijk (ontwerp: Hoogendoorn-Roozen).
	www.vijver-en-tuinplezier.nl /vijver/pontederia.html (309 words)

	* Cordata - (Gardening): Definition
		PONTEDERIA CORDATA - Pickeral Rush is a very nice pond plant that will grow about 2-3 ft tall and bear lovely heads of blue flowers to 6 inches across...
		Pickerel Rush Pontederia cordata 1' to 2' A native variety with all the best features.
		Other common natives include lizard's tail (Saururus cernuus), arrowhead or duck potato (Sagittaria sp.), pickerel weed (Pontederia cordata), the yellow flowering water primrose (Ludwigia sp.) the primitive scouring rush horsetail (Equisetum sp...
	en.mimi.hu /gardening/cordata.html (254 words)

	Spencer Barrett - Publications (Site not responding. Last check: 2007-10-26)
		Glover, D.E. and Barrett, S.C.H. Trimorphic incompatibility in Mexican populations of Pontederia cordata (Pontederiaceae).
		The function and adaptive significance of tristyly in Pontederia cordata L. (Pontederiaceae).
		Morgan, M.T. and Barrett, S.C.H. Historical factors and anisoplethic population structure in tristylous Pontederia cordata L., a re-assessment.
	www.botany.utoronto.ca /ResearchLabs/BarrettLab/schb_pub.html (3673 words)

	ponteder.htm
		As an aquatic group, the Pontederiaceae tend to be under collected and the distribution of the taxa are believed to be wider than specimens indicate.
		[Pontederia paradoxa C. Martius, in Roemer and Schultes, Syst.
		Stems erect, floating, or creeping on mud, stoloniferous or rhizomatous.
	www.unh.edu /herbarium/CostaRica/ponteder.htm (1818 words)

	Pontederia cordata in Flora of North America @ efloras.org (Site not responding. Last check: 2007-10-26)
		Narukila cordata (Linnaeus) Nieuwland; Pontederia angustifolia Pursh; P. cordata var.
		Pontederia cordata has a large number of synonyms, at the levels of species, variety, and form (see R. Lowden 1973 for most names).
		Almost all these names are based on variations in leaf shape, but extensive morphological variation has been observed within single populations and even in individual plants.
	www.efloras.org /florataxon.aspx?flora_id=1&taxon_id=220010872 (328 words)

	BoDD (Botanical Dermatology Database) - PONTEDERIACEAE
		In its normal tropical habitat, the water hyacinth (Eichhornia crassipes Solms-Laub.) is a noxious weed that chokes waterways; in warm temperate regions it is grown as an ornamental in garden ponds.
		Some Pontederia L. species are also grown as ornamentals away from their natural range in North America (Hunt 1968/9).
		In India, Bhalme and Pasricha (1986) observed positive patch test reactions to the crushed plant material in 3 individuals; no reaction was observed in 7 other subjects.
	bodd.cf.ac.uk /BotDermFolder/BotDermP/PONT.html (249 words)

	Search for products to control Pontederia based upon pesticides registered in various states to control Pontederia (Site not responding. Last check: 2007-10-26)
		Pontederia is a 'pest' (an unwanted organism) that can be controlled through the use of pesticides.
		Pesticides, such as products to control Pontederia, are regulated by State Departments of Agriculture.
		To find all products ever registered at EPA to control Pontederia: www.kellysolutions.com/epadata (login as username: 'Guest' and password: 'Guest' - your results will be limited to 5 items).
	www.kellysolutions.com /searchpests/Pontederia.htm (388 words)

	Pontederia — Pickerel Rush
		The Pickerel Rush, Pontederia cordata, is one of the finest marginal aquatics.
		Pontederia lanceolata is similar in many respects to P.cordata, but with taller lance-shaped foliage.
		Pontederia is planted during spring and summer, in either a heavy loam soil, or an aquatic planting compost.
	www.australianwatergardener.com /content.asp?articleId=109 (492 words)

	PLANTS Profile for Pontederia cordata (pickerelweed) \| USDA PLANTS
		Pontederia cordata L. Click on a thumbnail to view an image, or see all the Pontederia thumbnails at the PLANTS Gallery
		Pontederia cordata L. Click on a scientific name below to expand it in the PLANTS Classification Report.
		Pontederia cordata L. This plant is listed by the U.S. federal government or a state.
	www.plants.usda.gov /java/profile?symbol=POCO14 (369 words)

	vPlants - Pontederia cordata - Description
		If only the leaves of Pontederia cordata are present, it could possibly be mistaken with some other common aquatic herbs such as Alisma triviale, A.
		Somewhat rare, close to shores and in shallow water of lakes and slow-moving streams, also in shallow open water of bogs.
		This is the only species of Pontederia in North America, and it extends south into Mexico, Central America, and South America.
	www.vplants.org /plants/species/species.jsp?gid=32287 (668 words)

	Vijverexperts - Online Vijver- en koi informatie
		Het eerste deel van de naam, "Pontederia", werd in 1737 aan de plant gegeven door Linnaeus als eerbetoon aan Guillio Pontedera, een professor in de plantkunde uit Padua (Italië).
		Plant je hem toch minder diep bescherm dan in de winter de wortels tegen de vorst of zet de plant diep genoeg.
		De bloemen van Pontederia Cordata staan bekend als vlinder- en bijenlokkers en dragen dus bij aan de "randanimatie" in uw tuin.
	www.vijverexperts.com /artikel.php?artikel_id=1&dossier_id=1&categorie= (394 words)

	DFT Vascular Plant Image Library (Pontederiaceae)
		Pontederia cordata (zoom) - Inflorescence; cultivated, Lady Bird Johnson Wildflower Center, Austin, Texas - photo: Hugh Wilson
		Pontederia cordata (zoom) - Plant in flower; cultivated, Lady Bird Johnson Wildflower Center, Austin, Texas - photo: Hugh Wilson
		Pontederia cordata [jpeg] - Cultivated, from Maui, Hawaii.
	www.csdl.tamu.edu /FLORA/imaxxpon.htm (234 words)

	Pontederia in Flora of North America @ efloras.org (Site not responding. Last check: 2007-10-26)
		Typification of Pontederia and its Linnaean species names (Pontederiaceae).
		Lowden, R. Revision of the genus Pontederia L. Rhodora 75: 426–487.
		Germination and dormancy studies of Pontederia cordata L. Bull.
	www.efloras.org /florataxon.aspx?flora_id=1&taxon_id=126524 (165 words)

	Maryland Vegetation Classification: PELTANDRA VIRGINICA - PONTEDERIA CORDATA TIDAL HERBACEOUS ALLIANCE
		Maryland Vegetation Classification: PELTANDRA VIRGINICA - PONTEDERIA CORDATA TIDAL HERBACEOUS ALLIANCE
		Concept: Freshwater tidal marshes dominated by variable mixtures of Peltandra virginica and Pontederia cordata.
		Concept: These are freshwater tidal marshes dominated by variable mixtures of Peltandra virginica and Pontederia cordata that are best expressed along the north Atlantic coast southward to Virginia.
	www.dnr.state.md.us /wildlife/Md_Veg_Com/118_.asp (1045 words)

	IPNI Plant Name Query Results (Site not responding. Last check: 2007-10-26)
		Pontederiaceae Pontederia cordata Larrañaga -- Escritos Damaso Antonio Larranaga 2: 133.
		Pontederiaceae Pontederia cordata L. Species Plantarum 2 1753 (APNI)
		Pontederiaceae Pontederia cordata L. Pontederiaceae Pontederia cordata L. Sp.
	www.ipni.org /ipni/IpniServlet?family=Pontederiaceae&infrafamily=&genus=&infragenus=&species=&infraspecies=&author_abbrev=&publication_title=&is_apni_record=on&is_gci_record=on&is_ik_record=on&include_authors=on&include_basionym_authors=on&query_type=by_query (272 words)

	Pontederia, Espigas de agua, Camalote grande, Flor de la laguna, Tule - Pontederia cordata
		Pontederia, Espigas de agua, Camalote grande, Flor de la laguna, Tule - Pontederia cordata
		Pontederia, Espigas de agua, Camalote grande, Flor de la laguna, Tule
		Foto de Pontederia, Espigas de agua, Camalote grande, Flor de la laguna, Tule - http://www.floridanature.org/
	www.infojardin.com /fichas/acuaticas/pontederia-cordata-espigas-agua-camalote-grande-tule.htm (246 words)

	The Families of Flowering Plants - Pontederiaceae Kunth (Site not responding. Last check: 2007-10-26)
		Minor leaf veins without phloem transfer cells (Eichornia, Pontederia).
		Genera 9; Eichornia, Eurystemon, Heteranthera, Monochoria, Hydrothrix, Pontederia, Reussia, Scholleropsis, Zosterella.
		Some wartergarden ornamentals, including Eichornia (water hyacinth) which is a devastating weed of warm waterways.
	biodiversity.uno.edu /delta/angio/www/ponteder.htm (471 words)

	Fa. C. Esveld List of available slides of plants of the genus Pontederia
		List of available slides from the genus Pontederia.
		The slides listed below are available from us as scans in JPG format.
		These are part of our on-line plant catalogue, but are also linked in this list for your use at the same terms as above.
	www.esveld.nl /dialijsten/dialistgPontederia.html (167 words)

	Wetland Plants
		(Note that the purple spikes in the background of the photograph are those of pickerelweed (Pontederia cordata).)
		Like the bur-reeds (Sparganium spp.), pickerelweed (Pontederia cordata), and wild celery (Vallisneria americana), the arrowheads produce submerged rosettes of ribbon-like leaves that can be distinguished from the other genera by their venation (Figure 12).
		ECOLOGICAL NOTES: Broad-leaved arrowhead is a nonpersistent emergent found in shallow water and on saturated soils of marshes, shrub swamps, wooded swamps, open bogs, and stream and lake margins.
	www.npwrc.usgs.gov /resource/1998/mnplant/sala.htm (225 words)

	Pontederia
		[ Pongelion ] [ Pontederia ] [ Ponthieva ]
		Vernacular names of plants within the Genus Pontederia
		For a description of the methodology followed in establishing this hierarchy see the note Nomenclature used in The Compleat Botanica.
	www.crescentbloom.com /Plants/Genus/P/O/Pontederia.htm (85 words)

	Pickerel Weed - Description of Pickerel Weed (Site not responding. Last check: 2007-10-26)
		Pickerel Weed (Pontederia) - P. cordata is one of the handsomest water plants, combining grace of habit and leaf with beauty of flower.
		Both should be planted in shallow pools of water.
		You are here: LoveToKnow Flowers >> Pickerel Weed (Pontederia) Polypody (Polypodium) Poplar (Populus)
	www.lovetoknow.com /Flowers/pickerel-weed.htm (68 words)

	Viewing Product - Pontederia cordata 'Alba' Pickerel Weed - Stokes Tropicals
		Viewing Product - Pontederia cordata 'Alba' Pickerel Weed - Stokes Tropicals
		Pontederia cordata ‘Alba’- Medium height, dark green in color, and tight clumping habit.
		White blooms touched with pink are held above the foliage.
	www.stokestropicals.com /detail.aspx?ID=147 (96 words)

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