25
Sep
2010
Commelina communis
Flowers | Liliopsida

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.

Photos
Top
See also
Top
Flowers
Hemerocallis

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.

 
Thunberg grandiflora Roxb.

Perennials, voluble. Stem thin, green, 2 m height. Leaves opposite, language ovat-lanceolata, acuminata peak, the cordata, margin entire, lobate or iregulat needle, 15 x 10 cm, short stalks, 3.5 ribs. Blue flowers with yellow, white on the outside, 8 x 8 cm, arranged in bouquets with individual pedicel 4-5 cm long, corolla tube 3 cm long

 
Anemone hupehensis var. japonica

Anemone hupehensis var. japonica - a species native to China and Japan, was first described by Carl Thunberg in Flora Japonica.

 
Digitalis purpurea

Digitalis purpurea - ornamental species, the size and elegant in almost any soil type and situation.

Digitalis purpurea digitalina contains a powerful drug used for heart disease. London was introduced in the 1650s in the pharmacopoeias.

 
Prenanthes purpurea - rabbit salad

Herbaceous perennial. Stem branched, 25-150 cm, pubescent. Amplexicaule leaves, elliptical, oblong or fidate, margin entire or Pinata-fidata, glauca. Flowers arranged in panicule, ligula flowers are purple, with 5 teeth, tubular flowers absent.

 
Liliopsida
Galanthus nivalis L.

Bulbous perennial species with herbaceous matter, erect, bulb ovoid, dark brown tunic, 1.5 x 2.4 cm. Leaves basal, 20 cm long, linear-lanceolata, rounded at the top. Flowers generally solitary, clocks, accompanied by a shoulder 3-4 cm long, 3 tepale flower is composed of external and internal 3 tepale erection of about 1cm, biloba, white with green spots

 
Allium schoenoprasum

Allium schoenoprasum is used as an ornamental species for borders or pots.

Leaves eaten cooked or raw with oil and fish. Leaves used like raw onions or garlic in a salad.

 
Gymnadenia conopsea

Gymnadenia conopsea - can be planted in parks and public gardens, on lawns or grassy rocks.

Gymnadenia conopsea - Gymnadenia genus name comes from the Greek words 'gymnos' = empty and 'Aden' = gland.

 
Musa sp. - Bananas

Herbaceous perennial, 2-9 m high. Fibrous roots may reach up to 1.5 m deep. Trunk false shoots. 6-20 leaves arranged spiral around the edge at first, wrapped trunk. Unisexuate hermaphrodite flowers in bunches, each bunch is covered by a red to purple bracts.

 
Hemerocallis

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.

 
   Add to iGoogle
Last posts

Categories

Links