The Mexican fleabane (Erigeron karvinskianus) is a species of the Asteraceae family (Asteraceae). This species is also known by the name of Spanish daisy fleabane Karwinsky-or wall-daisy.
Description
Vegetative Characteristics
The Mexican Fleabane is a basal woody, perennial, herbaceous plant with loosely branched stalks. The carpet-forming plant can reach height 10-100 cm, the carpet up to 1 m scale. Their gray-green leaves are elliptic-lanceolate, hairy and can be up to 4 cm long.
Inflorescence and flowers
In the summer, either singly or in loose Schirmrispen with two to five bloom conditions, which have a diameter of about 2 cm, open white and pink color later on to change the color purple. The flower head is, as with many representatives of the subfamily Asteroideae, from two different types of flowers: tubular and ray florets.
First, from 45-80 white, then to purple, zygomorph florets (= ray florets), which are about 5-6 mm long and made of yellow tubular flowers (= disk flowers) that are about 2 to 3.1 mm long and the center of the basket form. The flowers are reminiscent of the “Cup of the daisy. The flowering period extends from spring to autumn.
Fruits
There shall be set from 1 to 1.4 mm long, achenes zweirippige. The pappus of the achenes is composed of 15-27 bristles.
Distribution
The native to South and Central America (Mexico, Guatemala and Panama).
To Europe she was in the 18 Century introduced as an ornamental plant. Today the species is at all Azores islands, Madeira, the Canary Islands and in southern Europe to southern Switzerland (eg in the canton of Ticino established as a neophyte. It often grows there in damp walls, gorges and cliffs to altitudes of 800 meters. The way can form dense carpets, which can suppress the natural vegetation.
There is a separate plant community Erigerontetum karvinskiani Oberd. 1969 wall sites, where you working in the company of herb plants such as Antirrhinum majus, Asarina procumbens, Capparis spinosa, Centranthus ruber and Erysimum cheiri, Corydalis lutea and Cymbalaria muralis found.
As the ornamental varieties of this species are often cultivated as a biennial plant, but it can also winter in central Europe in some protection survive.
Source: http://de.wikipedia.org/wiki/Mexikanisches_Berufkraut
See Also: International Flower Delivery, Florist, Flowers Discount Code