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.


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Silene diclinis

Herbaceous perennial calcifuga, dioica, 30 cm high, caespitosa, densely pubescent. Prostrata strain or upward. Leaves acute seriacee with obvious central rib, lower leaves 9 x 1.5 cm subspatulate to oblong-lanceolata, ribbed, those of the middle stem is elliptical to oblong-lanceolata, united at the base.

 
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Cucumis sativus L. - cucumber

Herbaceous annual, monoecious, climbing, 1-4 m. Leaves alternate, palmate-lobate, lobes acute and angulosi-toothed, 7-20 x 7-15 cm, scabrous, 5-20 cm long stalks. Flowers unisexuat-mono, pentamere, calyx Vilos, 5 sepa narrow-triangular, 0.5-1 cm long; Corola campanulata, yellow-gold petals 2 cm long

 
Rhipsalis grandiflora Haworth 1819

Genus Rhipsalis includes 35 species of cacti, originating from dry areas of Canada to Patagonia and naturalized in the tropics and subtropice. Pendente growth, numerous bends. Stem cylindrical, with ribbed or payment. The flowers are small. Fruit small, spherical, fleshy.

 
Carpinus betulus

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Ranunculus ficaria

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Corryocactus quadrangularis F. Ritter 1958

Corryocactus is a genus of cacti native of western South America, with strong columnare strains. Flowers are bell shaped. Fruit large overall, with thorns, edible.

 
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