Shield flowers
Shield flowers | ||||||||||||
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Leaning shield flower ( Chelone obliqua ) |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Chelon | ||||||||||||
L. |
The shield flowers ( chelons ), also called snakeheads or badmouths , are a genus of plants in the plantain family (Plantaginaceae). The common English name of this species is "Turtlehead". The five or so species are widespread in North America , including Mexico . Varieties of several kinds are cultivated as ornamental plants.
description
Vegetative characteristics
Shield flowers are perennial , herbaceous plants . The opposite leaves are simple.
Generative characteristics
Showy flowers stand together in spiked or paniculate inflorescences with bracts . The hermaphrodite flowers are zygomorphic and five-fold with a double flower envelope . They form double, many-seeded capsule fruits .
Systematics
The genus Chelone was established by Carl von Linné . The botanical genus name Chelone is based on the Greek word χελώνα (/ çeˈlona /, chelone), which means something like turtle .
In the genus shield flowers ( Chelone L. ) about five species are known:
- Blue shield flower ( Chelone caerulea (Nutt.) Spreng. )
- Cuthbert's shield flower ( Chelone cuthbertii Small )
- Bald shield flower ( Chelone glabra L. ): It is widespread in North America, Canada and the United States.
- Lyons shield flower also called mountain shield flower ( Chelone lyonii Pursh ): The home is Canada and the USA.
- Leaning shield flower also called snakehead or badmouth ( Chelone obliqua L. ): Three varieties occur in the USA.
supporting documents
literature
- Allan D. Nelson, Wayne J. Elisens: Polyploid evolution and biogeography in Chelone (Scrophulariaceae): morphological and isozyme evidence. In: American Journal of Botany , Volume 86, 1999, pp. 1487-1501. on-line.
- Walter Erhardt et al .: The big pikeperch. Encyclopedia of Plant Names. Volume 2. Verlag Eugen Ulmer, Stuttgart 2008, ISBN 978-3-8001-5406-7 .
Individual evidence
- ↑ Chelone in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved December 6, 2018.