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common name for the Pontederiaceae, a family of chiefly tropical perennial aquatic herbs found in freshwater. The pickerelweeds (genus Pontederia) range north into temperate regions, including most of the E United States and Canada. The water hyacinth (Eichhornia crassipes), a native of tropical America, has spread widely and is so prolific that it has clogged many waterways in the S United States and in other areas, including Java, Australia, and the Great Lakes region of E Africa. It is sometimes cultivated in tanks and ponds for its ornamental foliage and blue-violet flowers, and is used in some areas as a raw material for producing biogas for cooking. The pickerelweed family is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Liliopsida, order Liliales.
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They prefer starchy foods including cattails, pickerelweed, bulrush, smartweed, duck potato, horsetail, water lily, sedges, young willow trees, and rice, when grown as a flooded crop.
Our wetland was planted with emergent Bulrush, Iris, Pickerelweed, Hibiscus, Duck Potato, Threesquare, Lizard's Tail, and shrub-Winterberry, Button Bush, Bayberry, and Viburnum.
Myers followed those recommendations and purchased bulrush and pickerelweed from a native plant hatchery.
As we paddled toward a wide tidal channel, we saw three common marsh plants with arrow-shaped leaves: arrow arum (Peltandra virginica), arrowhead (Sagittaria latifolia), and pickerelweed (Pontederia cordata).
Finally, target lakes and rivers with a variety of aquatic vegetation including hydrilla, bulrushes, pickerelweed, water lettuce, water hyacinths, lily pads and maidencane.
A few feet away is a male widow on pickerelweed. Close by, a male Sympetrum perches vertically, head down, like a circus acrobat.