Scientific name - Pontederia cordata L.
Genus name is given to commemorate Linne Guilio Pontedera Italian physicist (1688-1756), professor and director of the Botanic Garden at Padua in Padua in 1719-1757.
Popular names - pickerelweed, Wampee.
Distribution and Habitat - originally from the temperate zones of North America.
Description - aquatic species perennial, 45-60 cm tall, thin rhizome. Leaves basal, erect, ovat-lanceolata, with the cord; long petiole. Flowers violet-blue, rarely white, with an upper lobe yellow blossom disposed in ear type. Perianth campanulata, Revol tube after blooming, 6 stamens, 3 more unequal, May 3 children; anther elliptic, blue. Blooms in June-September. The fruit contains a single seed, indehiscent.
Growth rate --
Tolerant - can be adjusted for shallow water or deeper.
Requirements - grow in full sun and semi-shade, on moist soil or water.
Propagation - dividing rhizomes, spring. The runners, summer. The seeds soon after ripening.
Diseases and pests - aphids.
Natural partners and Garden - Hibiscus moscheutos, Nymphaea cordata, Peltandra virginica, Phragmites australis, Pistia stratioites, Sagittaria latifolia, Sagittaria lancifolia, Spartina cynosuroides, Typha latifolia.
Cultivars and varieties - P. cordata 'Alba' grows in full sun or semi-shade, on moist soil or in water 25 inches deep. 60-75 cm high. P. cordata 'angustifolia' blue flowers, dark green leaves. P. cordata 'Pink Pons' pink-purple flowers, grows in full sun or semi-shade in moist soil or in water 15 inches deep. P. cordata 'Singapore Pink' Pink flowers.
P. cordata var. cordata - strain up to 1 m tallme, leaves deltoid to triangular-ovata-lanceolata, the deep heart or truncata, 20 cm long, 15 cm long ear.
P. cordata var. lanceolata.
Properties and Uses - infusion of this plant was used as a contraceptive method.
Myth, Legend and Folklore --
Blanche E. Dean - Wild Flowers of Alabama and Adjoining States - The University of Alabama Press, 1983
Daniel E. Moerman - Native American ethnobotany - Timber Press, 1998
Donovan Stewart Correll - Aquatic and Wetland Plants of Southwestern United States - Stanford University Press, 1975
Greg Speichert, Sue Speichert - Encyclopedia of Water Garden Plants - Timber Press, 2004
Helen Nash, Steve Stroupe, Perry D. Slocum, Bob Romar - Complete Guide to Water Plants - Sterling, 2004
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Narcissus poeticus L.
Bulb ovoid, 3-4 x 1.5-2 cm, brown tunic. 4 basal leaves, limb 20-40 x 0,6-1,2 cm, green glauca; nervatiune parallel. Flower stalk 30-45 cm. Flower solitary, fragrant, perianth 5.7 cm wide; periantului tube 2-3 cm; tepale overlapping, reflection, white, ovat-orbiculare, 1.5-2.5 x 1.5-2 cm, top mucronata
Thlaspi montanum L.
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Herbaceous perennial, rustic. Rhizome with roots beam. Nastriforme leaves, gathered in bouquets. Raceme blossom or panic, small bracts, perianth campanulata, tepale united at the base, ovata, yellow or orange, 6 stamens attached to corolla tube, ovary inferior. Fruit capsule dehiscence.
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