29
May
2009
Pontederia cordata L.
Flowers | Liliopsida

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.

Synonyms --

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.

Management --

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 --

References

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

Photos
Top
See also
Top
Flowers
Geranium pratense - beak stork

Herbaceous perennial, stems pubescent, erect, branched dichotomy. Leaves opposite, the parties to lobate-acute, 5-7 lobed, margin evening. Flowers symmetric radiator Corola blue-purple, 5 petals obovata, 2 cm, 5 sepa lanceolata, mucronata, ovary superior, 10 stamens united at the base. Blooms in June-August.

 
Prenanthes purpurea - rabbit salad

Herbaceous perennial. Stem branched, 25-150 cm, pubescent. Amplexicaule leaves, elliptical, oblong or fidate, margin entire or Pinata-fidata, glauca. Flowers arranged in panicule, ligula flowers are purple, with 5 teeth, tubular flowers absent.

 
Tulipa

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.

 
Eichhorn crassipes

Popular names: Water Hyacinth.

Genus Eichhorn contains 8 species, the most common is E. crassipes. It is easily confused with E. Azure, a difference between them is the language which in E. Azurea is cuneata and the E. crassipes is truncata or heart failure.

 
Hedychium coronarium - white ginger

Herbaceous perennial, 1-1.5 m inaltme, fleshy rhizome. Leaves alternate, decidue, language sessile 28-40 x 4.7 cm, narrow elliptic, apex long-acuminata, the acute glabra on top, the furry bottom steps. Flowering 4.10 x 3.6 cm. Bractei persistent ovat-triangulation, green, 4-7 x 2-4 cm, margins membranous.

 
Liliopsida
Aloe vera Mill.

Aloe Vera - perennial herb with stem wood, 2-3 m, simple neramificata, covered by remnants of dried leaves. Rosette leaves collected in the top of the trunk, Sesia, triangulation into sections and are consistent meat lower surface is convex, the top is concave according to the turgid leaf

 
Hemerocallis lilioasphodelus L.

Herbaceous perennial, growing in groups, rhizomes and tuberous roots spindle. Strain 1-1,3 m, erect, slightly branched. Leaves 30-90 x 1.0-2.5 cm, green, linear, top acute. Blossom terminal cimoasa with flowers 6.12. Tepalele 7.10 x 2-3 cm, yellow lemons, outer tepalele have about 1.5 cm wide, the inner ones were 2.5 cm wide, ovoid. Blooms in June-July.

 
Dracaena marginata Lemarck

Popular names: English - Red-edged Dracaena, Madagascar Dragon-Tree, Hawaii - money tree.

Dracaena marginata Lemarck is an evergreen species native to Madagascar, was imported into Europe in the XVII century. Bush by 6 m high, formed more vertical stems. Leaves arranged spiral, simple, Sesia, entire, linear, evergreen, green with reddish margins, 15-45 x 0,7-3 cm; nervatiuni parallel.

 
Spathiphyllum wallisii

Wallisii Spathiphyllum is one of the most common plants of the genus grown as indoor plants. Appearance herbaceous, 30 cm tall, with short stem, oval leaves with long petiole-lanceolata. Flowers small, yellow blossom gathered in a cylinder surrounded by a white shoulder.

 
Areca catechu L.

Popular names - English: Areca, Areca-nut, betel nut palm, French: cachou falling within subheading, Arequier, German: Betelnusspalme, Guam: pugua, India: Pan, Spanish: catechou hand, Yap: bu.

Areca catechu - originating in eastern Africa, southern Asia and the Pacific Islands. Grows in tropical climates at altitudes from 0 to 900 m.

 
   Add to iGoogle
Last posts

Categories

Links