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
Nemophila maculata - a species endemic in California, Nevada and Sierra Sacramento Valley provinces, increases from 0 to 3100 m altitude cultivated for ornamental purposes in all regions of the world.
Herbaceous perennial, rhizome cylindrical. Reddish stem, 80-100 cm tall, easy hirsuta-pubescent, branched. Leaves alternate, petiolare, lanceolata-ovata, margine evening, slightly pubescent; to the top of the stem leaves are Sesi.
Acta spicata - a species native to Europe and Asia, grows in mountain forests in beech forests from 400 to 1500 m altitude.
Gentiana lutea - mountain species, native to southern Europe, grows on limestone bedrock, on pastures rich in organic matter, from 1000 to 2200 m altitude.
Belamcanda chinensis - perennial species, native to eastern Asia, cultivated as ornamental species for borders or rock garden.
Saccharum officinarum - Sugar cane
Herbaceous perennial strain neramificata, 3-4 m high, 3-5 cm diameter. Roots of two ways, first type is formed from Butas after planting, are thin and bends, the second type of primary shoots grow roots flashy and less branched, with all the old roots are brown and dry.
Tahina J. Dransf. & Rakotoarinivo, gender. November. family Arecaceae
Tahina J. Dransf. & Rakotoarinivo, gender. November. Arecaceae family is a new kind of northwestern Madagascar, with one species Tahina spectabilis.
On December 5, 2006, Bruno Leroy, resident and avid Madagascar palm, has posted a picture of an unidentified palm on www.palms.org the International Palm Society.
Bletilla are easy to grow, to shady borders, where they make a handsome textural combination with ferns.
Tulipa acuminata Vahl - The name of this species was introduced in 1813, when Martin Vahl, a professor of botany, including the list of plants grown in the Botanical Garden of Copenhagen.
Tulipa acuminata can grow to 40-50 cm high, leaves lanceolata, glauca. Flower solitary; tepale linear-lanceolata, acuminata; tepala is greater than 13 cm long.