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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. Curiosity - References 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
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See also
 Flowers
Portulaca grandiflora
Portulaca grandiflora - annual species, succulent, native to Brazil. Can be used in parks and gardens as ornamental species for borders or pots on terraces species for sunny. Zinnia elegans
Zinnia elegans - herbaceous annual, native of Mexico. Zinnia elegans was named in honor of Johann Gottfried Zinn (1727-1759), professor of anatomy and botany at the University of Gottingen (Germany), which described the species Zinnia peruviana. Dianthus sylvestris
Dianthus sylvestris - perennial species, the stem short and woody. Increase the debris, limestone bedrock, from 0 to 2400 m altitude. Species are cultivated as ornamental for rocarii. Saxifraga squarrosa
Saxifraga squarrosa - endemic sub-species of sub-Eastern Alps, grows on limestone rocks and debris, from 1200 m to 2500 m altitude. Magnoliopsida
Physalis alkekengi
Physalis alkekengi - ripe fruits are edible, are rich in Vitamin C and has diuretic and laxative properties. Lysimachia vulgaris
Lysimachia vulgaris - perennial species, herbaceous with underground rhizome widespread in temperate regions of Europe and Asia, grows in wet environments, wetlands, side channels and water courses, from 0 to 1200 m altitude. Psidium araucanum is a new species discovered in southern Brazil
Araucanum Psidium (Myrtaceae) is an endemic species in the state of Parana and Sao Paulo in southeastern Brazil, along the rivers. Genus Psidium L. is characterized by simple leaves, opposite, with nervatiune Pinata, flower solitary, axillary or Raceme small, large number of stamens arranged in spiral, ovary inferior. Caltha palustris
Herbaceous plants, roots rizomatoase, 2-4 mm in diameter. Stem erect, tube or fistiloase, foam, and longitudinally striated. Leaves basal, long petiolate (5-20 cm); language cordata, margine crenata, wavy carnoas, top obtuse, bright green. Caulinare Leaves are similar to those that are based only smaller sessile or subsesile. Actinidia deliciosa - kiwi
Actinidia deliciosa fruits are edible, used for beverages, desserts, containing vitamin C, A and E and potassium. |
 
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