Scientific name - Ageratum houstonianum Miller 1822
Synonyms - Ageratum mexicanum Sims
Popular names - agerato, Ageratum, sharp blue, blue billygoat, Celestina azul, floss flower, rods.
Distribution and Habitat - native from Mexico and Central America. In Europe it is cultivated as ornamental plants in the 1800.
Description - herbaceous perennial. Stem erect or decumbenta, 30-100 cm tall, slightly hairy or glabra. Leaves ovat-triangulation, 2-7 x 1.5-6 cm, top acute-obtuse, margins regular soirees, hairy on both sides, petiole 5-30 mm long, hairy. Blossom corymb compound, branched, hairy, global capital, 6-8 mm diameter, involucre with bractei linear-lanceolata, 5 mm long, slightly hairy. Flowers blue-violet. Fruit achenes, 2 mm long, black, or slightly glabra hairy, white doll with 5 wires.
Growth rate --
Tolerante - semi-shade and wind. Do not stand temperatures below 14-15 ° C, frost and drought.
Required - easy land, rich in humus, with a little perlite to ensure good drainage. Species heliofila (exhibitions prefer sunny).
Management - is abundant and regular watering, do not let dry land for too long timo. During the flowering season it is advisable to fertilize in 15-20 days. Past flowers are blooming away to ensure a rich and continuing.
Propagation - by seeds, it looks like in February (under glass) or April-May (off). Germinate after 5-7 days. Are planted at 15-25 cm distance between plants.
Diseases and pests - afidele and white fly. Botrytis attack plants if they are poorly ventilated places with shade and position.
Partners garden - Amtirrhinum majus 'Rocket White', Argyranthemum frutescens, Dianthus plumarius, Lantana camara, Nicotiana sylvestris, paper Rudbeckia, Tagetes tenuifolia.
Cultivars - 'Adriatic' 10-15 cm tall, flowers blue. 'Bavaria' 25-30 cm tall, flowers bicolore, white and blue. 'Blue Bouquet' 35-45 cm tall, purple flowers open. 'Blue Danube' 20-30 cm tall, purple flowers open. 'Neptune Blue' 15-20 cm tall, blue-violet flowers. 'Southern Cross' 30 "high, bicolore flowers, blue and white. 'White Ball' 24 "high, white flowers.
Properties and Uses - ornamental species, grown as annual for borders, cut flowers, pots. Attract butterflies.
The essential oil of Ageratum houstonianum is used in the production of natural fungicides used against Blastomyces, Epidermophyton floccosum, Fusarium lateritium, Histoplama capsulatum, Trichophyton mentagrophytes, Trichophyton tonsurans, Trichophyton verrucosum, Trichophyton violaceum.
Allan M. Armitage - Armitage's Garden Annuals - Timber Press, 2004
Carolyn Harstad, Jean lives - Got Shade? - Indiana University Press, 2003
Denise W. Adams - Restoring American Gardens - Timber Press, 2004
MK Rai, Donatella Mares - Plant derived Antimycotics - CRC Press, 2003
Suzanne McIntire & ndash, An American Cutting Garden - University of Virginia Press, 2005
Gossypium herbaceum - Cotton
Gossypium herbaceum - Cotton fiber is the most popular material obtained from this plant and the second is cotton oil rich in protein.
Nigella arvensis - annual species, increases samanaturi grain, plowing, sowing and road edge on clay or sandy soils, from plains to mountains.
Cichorium intybus - Chicory
Herbaceous biennial or perennial. Stem erect, with branches hispida, geniculate .30 to 120 cm tall. Roots spindle, long on break leaving a bitter white latex. Basal leaves in rosette, petiolate, lamina oblong-lanceolata, lirat-pinatifide or toothed, 30 x 12 cm. The leaves are caulinare Sesi, alternate, oblong-lanceolata.
Genus Felicia was named the Cassini AHG in 1818 by Felix, a German official at Regensburg who died in 1846.
Felicia amelloides first cinerary amelloides was named by Linnaeus in 1763 and in 1894 named Felicia amelloides.
Gentiana lutea - mountain species, native to southern Europe, grows on limestone bedrock, on pastures rich in organic matter, from 1000 to 2200 m altitude.
Prunus armeniaca - apricot
Prunus armeniaca - shrub or small tree, native of northeastern China, knew and cultivated worldwide for its edible fruit.
The seeds of Prunus armeniaca extract oil used in perfume industry, cosmetics and pharmacy.
Rhipsalis grandiflora Haworth 1819