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.
Physalis alkekengi - ripe fruits are edible, are rich in Vitamin C and has diuretic and laxative properties.
Primula elatior - perennial species, rizomatoasa, originally from Europe to western Asia, growing in mountain areas, pay attention in forests up to 1500 m altitude.
Perennial species, 30 cm height, 60-90 cm diameter, forming a dense bush covering the ground well. Leaves linear-lanceolata, margin entire, shiny dark green, 2,5-4 cm long x 3.6 mm wide. Flowers white, 4 petals, blossom type corymb, 9 cm diameter, January-June period of prosperity. Fruit silicula, 7 mm long.
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.
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.
Allium croaticum Bogdanovic Brullo, Mitic and Salmeri sp.nov. in Croatia
Bletilla are easy to grow, to shady borders, where they make a handsome textural combination with ferns.