Rhaponticum scariosum

Rhaponticum scariosum subsp. rhaponticum

The Alpine Mountain Charter ( Rhaponticum scariosum subsp. Rhaponticum ), also called Giant Knapweed, is a subspecies of the plant species Lamarck Mountain Charter ( Rhaponticum scariosum Lam. ) From the genus mountain slits ( Rhaponticum ) in the sunflower family ( Asteraceae).

Features

The Alpine Mountain Charter is a perennial herbaceous plant that reaches the plant height of 30 to 150 cm. The strong, thick stems usually carries only one inflorescence and thickens toward the basket. He is hairy and leafy downy - woolly. The leaves are green, their underside is white and gray tomentose. They are up to 60 cm long and 15 cm wide, its edge is serrated irregular. At the base of the leaves are heart-shaped and stalked, the upper leaves are smaller, however, sitting and undivided to pinnately lobed.

The bloom conditions are very large, their shell is spherical. The almost circular appendage of Hüllschuppen are slashed brown-skinned and torn. The pink to purple tubular flowers are all tubular and the marginalized are not enlarged.

The flowering period extends from July to September.

The achenes are brown. The reddish pappus (hair crown) is double row, the inner bristles are much longer.

Occurrence

The Alpine mountain -lip occurs in the Alps from the Maritime Alps to Carniola before. As the home country Italy, Switzerland, Slovenia, and a small area in France are given. It settles slightly damp, mostly calcareous soils, grassy slopes and meadows, thickets and rocky debris at altitudes from 1400 to 2500 meters. It is pretty rare.

System

In recent years, the subtribe Centaureinae from the tribe Cynareae in the subfamily Carduoideae was re-edited within the sunflower family ( Asteraceae). The species of the former genus Acroptilon Cass., Centaurothamnus Wagenitz & Dittrich, Leuzea DC were. and Stemmacantha Cass. in the genus Rhaponticum Vaill. incorporated, most recently at O. Hidalgo et al., 2006.

The currently valid botanical name, only as a subspecies, was published in 2005 by Werner Greuter in Willdenowia, 35, 237. Scariosum subsp synonyms for Rhaponticum. rhaponticum (L.) Greuter are: Centaurea L. rhapontica, Leuzea rhapontica (L.) Holub, Serratula rhapontica (L.) DC, Stemmacantha rhapontica (L.) Dittrich. .

Documents

• Gunter Steinbach (ed.): Alpine Flowers ( Steinbach nature guide ). Mosaik Verlag GmbH, Munich 1996, ISBN 3-576-10558-1.
• Werner Greuter: Rhaponticum scariosum subsp. rhaponticum at Euro Med Plant Base - Database of Vascular Plants of Europe and the Mediterranean.