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.
Calystegia sepium - rhizomatic herbaceous perennial, grows spontaneously throughout Europe and Asia, infesting herbaceous crops, grain, grow on the stems bush bush, from 0 to 1400 m altitude.
Stachys palustris L. - marsh Jales
Herbaceous perennial, rhizome tuberizat, crawler. Stem erect, rarely branched, tetragon, dark pink-purple, with scrub edge stem, 30-120 cm tall. Caulinare upper leaves are Sesi, amplexicaule, narrow-lanceolata, evening and slightly wavy edge, basal leaves are short stalks.
Sanguisorba officinalis - sangereasa
Herbaceous perennial. Stem erect, branched, galbra, 30-100 cm tall. Imparipenat-compound leaves, 20 - 40 cm long, 5-15 folio oval, irregularly toothed edge. Flowers hermaphrodite in capital combined terminal, brown or black-purple, 2-3 bracteole, Receptacle deeply concave; 4 SEPA, 4 stamens (rarely 2).
Polemonium caeruleum - species used as ornamental plants in gardens with spontaneous or rock gardens. Are planted at 30 cm distance between plants.
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.
Ornithogalum umbelatum L. - balusca
Bulbous perennial species. Basal leaves semi-erect, linear, ribbed white-silver center, 25-30 cm long. Raceme with 6-20 corymb blossom type flowers, 2 cm diameter; tepale white with green on the outside, 6 stamens, 1 pistil.
Herbaceous perennial. Rhizome long, soft, or short and nodosa. Stem 1 m tall, sterile stems short. Leaves alternate, short stalks, lamina linear - ovata, margins entire, nervatiune parallel. Blossom terminal umbela-loose.