12
Jul
2010
Polemonium caeruleum
Flowers | Magnoliopsida
7
0

Scientific Name - Polemonium caeruleum L.

Synonyms -

Popular names - Greek valerian, Jacob's Ladder

Distribution and Habitat - originating in the mountains of Europe, wet meadows, from 1500-2300 m altitude.

Description - herbaceous perennial, rhizome white. Stem ribbed, hollow, 30-90 cm high, glabra hairy-glandular at the base and tapered. Basal compound leaves, 10-40 cm, 17-23 segments lanceolate, alternate leaves caulinare. Cimoase inflorescences, corymb, stems pubescent, 2-3 mm, calyx actinomorf, lacini acute, 2-4 mm Corola actinomorfa, white tube, lacinii subrotunde, patents, 11 x 10 mm, purplish at the base with three ribs in darker color, filaments equal in length, pubescent. Blooms in July-August. Fruit pear-shaped capsule, 4-6 mm. Seeds elliptical, 2.8-3.2 x 1.2-1.4 mm, surface slightly shiny, dark purple. 2n = 18

Tolerances - temperate-20 C sites.

Requirements - well-drained moist soil in sunny or semi-shade exhibitions.

Propagation - by seeds sown in spring cold greenhouse.

Cultivars - 'Album' White flowers, 'Blue Pearl' cobalt blue flowers with yellow center.

Properties and Uses - species used as ornamental plants in gardens with spontaneous or rock gardens. Are planted at 30 cm distance between plants.


Photos
Top
See also
Top
Flowers
Eichhorn crassipes

Popular names: Water Hyacinth.

Genus Eichhorn contains 8 species, the most common is E. crassipes. It is easily confused with E. Azure, a difference between them is the language which in E. Azurea is cuneata and the E. crassipes is truncata or heart failure.

 
Crocosmia x crocosmiiflora

Crocosmia, comes from the Greek 'Krok' = Crocus, and 'osme' = odor, "smell of Crocus'. Crocosmia was described in 1851 by Jules Emile Planchon.

Crocosmia x crocosmiiflora was created in France in 1880.

 
Anemone hupehensis var. japonica

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

 
Narcissus poeticus L.

Bulb ovoid, 3-4 x 1.5-2 cm, brown tunic. 4 basal leaves, limb 20-40 x 0,6-1,2 cm, green glauca; nervatiune parallel. Flower stalk 30-45 cm. Flower solitary, fragrant, perianth 5.7 cm wide; periantului tube 2-3 cm; tepale overlapping, reflection, white, ovat-orbiculare, 1.5-2.5 x 1.5-2 cm, top mucronata

 
Reseda phyteuma

Reseda phyteuma - annual or perennial grass, native to southern Europe and southwest Asia, North Africa, it grows on basic soils, grassy edges of roads, from 0 to 1900 m altitude.

 
Magnoliopsida
Epilobium dodonaei

Epilobium dodonaei - spcie originated in Europe and the Caucasus, increases debris, calcareous rocks, up to 1700 m altitude.

 
Davidia involucrata var. involucrata

Arbore pana la 20 m inaltime; coroana la inceput conica apoi devine neregulata, ramuri orizontale. Scoarta gri-maronie. Mugurele terminal are forma ovoida, 6-7 mm lungime, acuminat, rosu-brun inchis. Mugurii laterali 6-8 mm lungime.

 
Echeveria pulvinata

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.

 
A new species of Eugenia from southeastern Brazil

Eugenia L. It is a genre with a large number of species belonging to the family Myrtaceae. I estimated about 500 species have been found in South America, 350 species cited in Brazil.

 
Harpephyllum caffrum

Harpephyllum caffrum - evergreen tree, endemic to southern Africa, Eastern Cape to KwaZulu-Natal and southern Mozambiqului, grows in coastal forests.

 
Comments
Top
comments powered by Disqus
   Add to iGoogle
Last posts

Categories

Links