Narrow-leaved marigold
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Narrow-leaved marigold ( Tagetes tenuifolia ) |
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| Tagetes tenuifolia | ||||||||||||
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The narrow-leaved marigold ( Tagetes tenuifolia ) is a species of the genus Tagetes within the sunflower family (Asteraceae).
description
Vegetative characteristics
The narrow-leaved marigold is an annual herbaceous plant that reaches heights of 20 to 70 centimeters. The 5 to 13 centimeters long leaves have 12 to 22 narrowly lanceolate and very sharply sawn sections.
Generative characteristics
The cup-shaped inflorescences are 2.5 to 3 centimeters in diameter and are not filled. The envelope contains about five bracts and is 10 to 20 millimeters long. The five ray-florets are egg-shaped, edged and colored golden yellow with an orange, M-shaped spot. There are 10 to 40 tubular flowers .
The flowering period extends from June to November.
The number of chromosomes is 2n = 24.
Occurrence
The narrow-leaved marigold is found on river banks from Mexico to Costa Rica.
use
The narrow-leaved marigold is used as an ornamental plant for summer flower beds. In Asia it is also used as a spice and for perfume. The species has been in culture at least since 1795. There are some varieties with yellow, red or orange rays.
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 , p. 602 .
Individual evidence
- ^ Tagetes tenuifolia at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ^ Tagetes in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved March 15, 2018.
