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
Physostegia virginiana - perennial species, rhizomatic, native to North America, grows on wet pastures.
Physostegia virginiana - cultivated as ornamental species in parks and public gardens.
Succulent perennial. Short stem with a rosette of leaves at the base. The leaves are 5-7.5 cm long, obovata-spatulate, concave, tomentoase. Blossom side, 20-30 cm long, flowers campanulata, yellow-orange, 5 SEPA, 5 petals, 10 stamens.
Eryngium campestre - rostogol
Eryngium campestre - a species native to Central and S, V Asia, grows on rocky places, sandy in dry meadows and pastures, along roads.
Epilobium dodonaei - spcie originated in Europe and the Caucasus, increases debris, calcareous rocks, up to 1700 m altitude.
Four new species of Maranta L. Marantaceae in Brazil
Musa sp. - Bananas
Herbaceous perennial, 2-9 m high. Fibrous roots may reach up to 1.5 m deep. Trunk false shoots. 6-20 leaves arranged spiral around the edge at first, wrapped trunk. Unisexuate hermaphrodite flowers in bunches, each bunch is covered by a red to purple bracts.
Galanthus nivalis L.
Bulbous perennial species with herbaceous matter, erect, bulb ovoid, dark brown tunic, 1.5 x 2.4 cm. Leaves basal, 20 cm long, linear-lanceolata, rounded at the top. Flowers generally solitary, clocks, accompanied by a shoulder 3-4 cm long, 3 tepale flower is composed of external and internal 3 tepale erection of about 1cm, biloba, white with green spots
Planta voluble, originally from Indonesia and the Philippines. Cordiforme leaves, green with white spots, 6-8 cm long, thin stalks, 3-4 cm long, adult leaves oblong-or cordiforme lanceolata, 10-15 cm long, petiole 1.5-2 cm long.
Allium brussalisii (Aliaceae), new species from Greece