Pontederia cordata

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Related to Pontederia cordata: pickerelweed
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Noun1.Pontederia cordata - American plant having spikes of blue flowers and growing in shallow water of streams and pondsPontederia cordata - American plant having spikes of blue flowers and growing in shallow water of streams and ponds
aquatic plant, hydrophyte, hydrophytic plant, water plant - a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth
References in periodicals archive ?
m[L.sup.-1] on the 27th day in Typha domingensis medium, with 28 x [10.sup.6] cell.m[L.sup.-1] on the 27th day in Pontederia cordata medium (Figure 1).
They also were reported to eat some emergent semiaquatic plants, including pickerelweed, Pontederia cordata L.
Wild rice stems have lignified PMR, with unique suberin lamellae and diffuse suberin that is somewhat unlike Cynodon dactylon, Paspalum distichum, and Hemarthria altissima; grasses can have suberin lamellae in their stems [36] and leaves (e.g., [41]), and an inner hypodermal layer with suberin lamellae was found in Pontederia cordata roots [42].
In the surface treatment, we used the aquatic plant water lettuce (Pistia stratiotes), while the subsurface treatment was planted with pickerelweed (Pontederia cordata).
I have put some Pontederia cordata (pickeral weed) in the bog garden from the pond.
Species % Cover % Glyceria septentrionalis 88 13.34 12.15 Persicaria coccinea 72 10.66 9.94 Bidens cernua 96 6.90 13.26 Sparganium androcladum 48 9.04 6.63 Echinochloa muricata 68 5.20 9.39 Pontederia cordata 48 5.60 6.63 Phalaris arundinacea 44 3.72 6.08 Sagittaria brevirostra 52 2.90 7.18 Persicaria hydropiperoides 24 3.06 3.31 Ranunculus flabellaris 48 0.64 6.63 Nymphaea tuberosa 32 1.92 4.42 Acer saccharinum 36 0.18 4.97 Nuphar advena 20 1.08 2.76 Erechtites hieracifolia 24 0.42 3.31 Leersia oryzoides 12 0.74 1.66 Bidens frondosa 8 0.04 1.10 Bidens coronata 4 0.02 0.55 Totals 65.46 100.00 Bare ground and litter 15.36 Rel.
Most were obtained from an onsite nursery, but three species (pickerelweed, Pontederia cordata; softstem bulrush, Scirpus validus; and giant cutgrass, Zizaniopois miliacea) were imported from a Florida nursery (Duckworth-Cole, Inc.
Pickerelweed (Pontederia cordata), arrowhead (Sagittaria) and water primroses (Ludwigia) are all contenders for the shallowest areas of your pool.