Large-leaved aster
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Large-leaved aster ( Aster macrophyllus ) |
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The large-leaved aster ( Aster macrophyllus ) is a species of the genus aster ( aster ) in the sunflower family (Asteraceae).
description
The large-leaved aster is a perennial plant that reaches heights of 80 to 100 centimeters. It forms subterranean runners. The lower leaves are up to 18 centimeters long, 12 centimeters wide, sawn and form a carpet of leaves from sterile rosettes. The stems are partly covered with glandular hair. The flower heads are 3 to 4 centimeters in diameter. The inflorescence is a panicle. There are almost no bracts on the branches. The middle bracts measure about 5.5 × 1.5 millimeters, are lanceolate, hairy glandular and have an egg-shaped green field in the upper third. The (9) 15 to 20 ray-flowers are pale to dark blue-violet in color, rarely white. The disc flowers are dark red-brown.
The flowering time is in August, sometimes even in July.
Occurrence
The large-leaved aster occurs in temperate Southeast Canada and in the eastern USA in the Appalachian Mountains in sparse deciduous forests at altitudes from 0 to 1300 meters.
use
The large-leaved aster is widely used as an ornamental plant for groups of trees and as a cut flower.
supporting documents
- Eckehardt J. Jäger, Friedrich Ebel, Peter Hanelt, Gerd K. Müller (eds.): Rothmaler excursion flora from Germany. Volume 5: Herbaceous ornamental and useful plants . Spectrum Academic Publishing House, Berlin Heidelberg 2008, ISBN 978-3-8274-0918-8 .
