Scientific name - American Agave L.
Popular names - Century Plant.
Distribution and Habitat - increases arid soils in southern Texas, but naturalized in warm regions of the globe.
Description - herbaceous plant, perennial, rhizome drajonant. Basal leaves arranged in rosettes consisting of 30-60 leaves ascending, triangular lanceolate, inside round, 100-150 cm long, 15-25 cm wide, glaucescente on top with a spin of brown, 1-5 cm long , spaced side edges with thorns, sharp triangular. Flowering stalk thick, 3-10 m tall, branched at the top with 20-40 branches, 50 cm long the inferioare.flori numerous, small, unpleasant smell. Perigon infundibuliform, 15 cm long tube and lobes of 3-4 cm. Stamens 2 times longer than lobes perigonului. Inferior ovary. Blooms in June-July. Fruit headSula long, 5 cm.
Tolerances - sensitive to frost. Tolerate drought.
Requirements - zoluri prefer sandy, well-drained, sunny with exhibitions.
Propagation - by seed and rhizome separation.
Properties and Uses - grown as houseplants or in greenhouses in areas with cold winters, and outside in areas with milder winters. In warmer areas tend to naturalize, sometimes even becoming invasive.
Curiosity - genus Agave includes 300 species originating in warm arid regions of America. It was introduced in Europe in the mid sixteenth century.
Agave blooms just once in its life cycle, from 80-100 years after the plant dies.
Cactus and succulent plants
Aeonium arboreum - tree aeonium
Sunshrub native from Maroc, stem branching, leaves borne at the ends of the branches in rather flat rosettes.
Manure for such plants must be done with fertilizer rich in phosphorus and potassium.
Nitrogen should be given in limited quantities, that stimulates plant growth, weakens tissues and increases perspiration. Manure must be made during late winter to spring to stimulate growth and flowering.
Delosperma cooperi originated southern Africa. Prostrata or erect stem, grows up to 13 cm high and 60 inches wide. Leaves opposite, succulent, cylindrical or 3 angles, without stipule. Flowers solitary or Cime, terminal or axillary, 8 cm diameter, open purple, calyx with 5 lobes unequal, inferior ovary with 5 rooms.
Lampranthus aurantiacus. perennial species, succulent native to South Africa. Cultivated as ornamental species for rocarii.
Ursinum Allium L. - Aliu of June, Ramsons, wild garlic
Herbaceous perennial, bulb. Oblung bulb. Leaves 2-3, lanceolata, margin entire, top acute, 30 x 3.6 cm. Flowers white, 6-20 hermaphrodite, in whole or pointed umbela backs, caduca; 6 tepale lanceolata, about 1 cm, 6 stamens, superior ovary, peduncle 2 cm. Blooms in May-June. Fruit capsule.
Allium brussalisii (Aliaceae), new species from Greece
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.
Genus name comes from Prince Raimondo di Sangro (1710-1771) of San Severo, born in Naples, Italy. In 1753 Carl Linnaeus in Species Plantarum, including the genus Sansevieria in Aloe. Sansevieria genus was stabilized by Thunberg in 1794 described the second species, S. thyrsiflora and S. aethiopica.