Scientific name - Callistephus chinensis Cass.
Popular names - astro della Cina, china aster.
Distribution and Habitat - native to Asia.
Description - annual species, 10-70 cm high. Stems erect, simple or slightly branched. Leaves lanceolate linear subspatulate, acute, the lower gears. Capitule large terminal, 5-7 cm diameter, external scvame foliacee and clocks, the internal membranes. Ligulate flowers white, pink, purple or blue, yellow tubular flowers. Blooms in July-September.
Growth rate - quickly.
Requirements - prefer fertile soil, well drained, sunny and exhibitions.
Propagation - by seeds in spring.
Properties and Uses - species cultivated as ornamental in gardens and parks.
Tithonia rotundifolia - annual species, native to Mexico and Central Aerica, cultivated as ornamental species.
Herbaceous annual or perennial. Strain decumbenta - upward, often is wood based. Leaves alternate, entire or pinnate-sectors. Capital solitary and axillary. Involucre with bractei placed on 2-3 lines. Flowers tubular, orange. Ligula sterile flowers, yellow-orange, top with 4 teeth. Receptacle convex or flat. Acorn obovoide, densely-hairy.
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.
Asclepias fruticosa - shrub native from South Africa, introduced in the Mediterranean for textiles.
Nigella sativa L.
Nigella sativa - annual species, native to the Mediterranean, the Balkans, Asia Minor, Caucasus, western Asia, India and North Africa.
It was used by Greeks to treat congestion agipteni and nose, toothaches, headaches, abdominal pains, rheumatism, and as a diuretic.
Hydrangea - Hortensia
Genus includes 80 species, the most popular are H. macrophylla, H. arborescens, H. paniculata and H. quercifolia. Shrub or voluble species with opposite leaves. Flowers solitary or grouped in inflorescences type corymb, Raceme. Ovary compound, 2-10 rags, below. Capsule truncata. Seeds numerous, ribbed.
Santolina chamaecyparissus - limbricarita
Perennial species, stem 10-60 cm tall, erect or pendence; nefloriferi stalk is green-gray-tomentos; lujerii floriferi are simple, without leaves before blossom. Pectinata-toothed leaves often to penatsectate. Involucre 6-10 mm wide, hemispherical, subtruncat or not, or slightly rounded at the base; bractei lanceolata-ovata, Carina, the interior with round top. Flowers arranged in the capital, bright yellow.
New species from Brazil Swartz - Swartz trimorphica Mansano & AL Souza
Shaft, 6 m high, branches hairy. Stipele 1.5-2 x 1-1.2 mm, triangulation, passwords, decidue. Imparipenat-compound leaves, folio 9, petiole about 2.4 cm long, hairy-tomentoase, talkative leaf 7.5-8.3 x 2.9-3.6 cm, elliptic, oval-oblong, glabru few hairy face and inside the main rib, the acute - cuneata, apex caudate