Scientific Name - Commelina communis L.
Popular names - erba miseria, asiatic dayflower.
Distribution and Habitat - grows naturally in East Asia, prefer shade and moist forests in 0-6000 altit.
Description - annual species, 30-40 cm stem prostrata and zigzag hairy. Leaves alternate, with guaina ± cylindrical, lamina lanceolata, 1-2 x 3-8 cm round basis. Flowers hermaphrodite, zigomorfe, three-apple, surrounded by a shoulder bracteiforma; separator arranged alternate petals green, 2 blue, heart-spatula, and the 3rd lower. Blooms in July-September. Biloculara capsule, elliptic, 5-7 mm. Two seeds in each box, yellow-brown, 2-3 mm long. 2n = 90
Requirements - prefer shady sites with moist soils and rich in humus.
Propagation - by seed or stem cuttings.
Diseases and Pests - Kordyana commelinae, Phyllosticta commelinicola, Physalospora commelinae, Ustilago commelinae, Lema coronata, Aphis commelinae.
Properties and Uses - a cultivated ornamental species, tends to sponteinza in ruderal environments.
Curiosity - can become invasive in NE China, causing serious problems.
Genus name Linne dedicated botanists and Johan Caspar Commelin; 'communis' means 'growing in colonies, groups'.
Commelina genus species is often confused with species of the genus Tradescantia, both belonging to the same family, Commelinaceae. Commelina flowers genre has two large petals and a small petal, flowers from three species of Tradescantia petals are equal in size.
Stylosa Phuopsis annual herbaceous plant, native to eastern Turkey and northern Iran, used as an ornamental species.
Tithonia rotundifolia - annual species, native to Mexico and Central Aerica, cultivated as ornamental species.
Herbaceous perennial. Procumbenta or decumbenta stem, 10-30 x 30-120 cm, with 4 edges, pear. Leaves tri-or tri-lobate penatsectat, lobes linear, 2-3.5 x 2-3 cm, entire or toothed, top obtuse. Flowers solitary in the armpit bracteelor, blue, purple, red-purple, lilac, or white. Calyx tubular, 6-9 mm needle 5 sepa unequal, linear, top acute.
Impatiens glandulifera - a species herbaceous annual. The genus name derives from the Latin 'impatient' = impatient, referring to the characteristic fruit to mature quickly open, releasing the seeds to great distances, and the specific name 'glandulifera' refers to small glands at the base of the petiole and foliar language .
Herbaceous perennial, fleshy rhizome. Flexible stem, erect to decumbenta, ribbed, light purple, 8-20 cm high. Leaves petiolate, green-glauca, glabra, 5-10 cm long, leaf-ovat basal orbiculare or reniforme; caulinare lanceolata-spatulate leaves, base cuneata, top acute, edge teeth caulinare upper leaves are elliptical, bracteiforme.
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.
Allium croaticum Bogdanovic Brullo, Mitic and Salmeri sp.nov. in Croatia
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.
Herbaceous perennial, rustic. Rhizome with roots beam. Nastriforme leaves, gathered in bouquets. Raceme blossom or panic, small bracts, perianth campanulata, tepale united at the base, ovata, yellow or orange, 6 stamens attached to corolla tube, ovary inferior. Fruit capsule dehiscence.