New York bill asterisk
New York bill asterisk | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
New York asterisk ( Vernonia noveboracensis ) |
||||||||||||
Systematics | ||||||||||||
|
||||||||||||
Scientific name | ||||||||||||
Vernonia noveboracensis | ||||||||||||
( L. ) Michx. |
The New York mock aster ( Vernonia noveboracensis ) is a species of the mock aster ( Vernonia ).
features
The New York-Scheinaster is a perennial, herbaceous plant that reaches heights of 1 to 2 meters. The plant forms a rhizome . The leaves are 10 to 28 inches long, 1.5 to 6 inches wide, narrowly lanceolate and dotted with glands. The margin is entire or has teeth facing forward. The underside of the leaf is slightly hairy. The heads consist of 30 to 55 flowers. The shell is 6 to 10 millimeters long and wide. The bracts have a linear-thread-shaped and obliquely protruding extension. The flowers are purple. The pappus is light brown to pale purple.
The flowering period extends from August to September.
The number of chromosomes is 2n = 18.
Occurrence
The New York asterisk occurs in the warm to temperate east of the USA in wet lowland forests, swamps and fallow land.
use
The New York asterisk is rarely used as an ornamental plant for natural gardens. The species has been in culture since 1710 at the latest.
literature
- Eckehart 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 .
Individual evidence
- ^ Vernonia noveboracensis at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis