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Species: G. sempervirens
(L.) J.St.- Hil. 1805 not Pers. 1805 nor Ait. 1811
Bignonia sempervirens L. 1753
Gelsemium lucidum Poir.
Gelsemium nitidum Michx.
Jeffersonia sempervirens (L.) Brickell
Lisianthus sempervirens (L.) Mill. ex Steud.
Lisianthius volubilis Salisb.
Gelsemium sempervirens is a twining plant in the family Gelsemiaceae, local to subtropical and tropical America: Honduras, Guatemala, Belize, Mexico (Chiapas, Oaxaca, Veracruz, Puebla, Hidalgo), and southeastern and south-focal United States (from Texas to Virginia). It has various normal names including yellow jessamine or jasmine, Carolina jasmine or jessamine, evening trumpetflower, gelsemium and woodbine.
Yellow jessamine is the state bloom of South Carolina.
Notwithstanding its not unexpected name, the species is anything but a “genuine jasmine” and not of the sort Jasminum.
5 See too
Gelsemium sempervirens can develop to 3-6 m (10-20 ft) high when given appropriate climbing support in trees, with slight stems. The leaves are evergreen, lanceolate, 5-10 cm (2-4 in) long and 1-1.5 cm (3⁄8-5⁄8 in) wide, and brilliant, dull green. The blossoms are borne in bunches, the singular roses yellow, in some cases with an orange place, trumpet-formed, 3 cm (1+1⁄4 in) long and 2.5-3 cm (1-1+1⁄4 in) expansive. Its blossoms are firmly scented and produce nectar that draws in a scope of pollinators.
Some nineteenth century sources recognized Gelsemium sempervirens as a people solution for different clinical conditions.
All pieces of this plant contain the poisonous strychnine-related alkaloids gelsemine and gelseminine and ought not be consumed. The sap might cause skin disturbance in touchy people. Kids, confusing this bloom with honeysuckle, have been harmed by sucking the nectar from the flower. The nectar is likewise poisonous to honeybees, which might cause brood demise when assembled by the honey bees. The nectar may, notwithstanding, be gainful to honey bees. It has been shown that honey bees benefited from gelsemine have a decreased heap of Crithidia bombi in their feces following 7 days albeit this distinction was not huge following 10 days). Diminished parasite load builds scrounging proficiency, and pollinators may specifically gather in any case harmful auxiliary metabolites for the purpose of self-medication.
The plant can be deadly to livestock.
Regardless of the risks, this is a well known nursery plant in hotter regions, often being prepared to develop over arbors or to cover dividers. In the UK It has won the Royal Horticultural Society’s Award of Garden Merit. It can be filled outside in gentle and beach front region of the UK (to a lower breaking point of −5 °C (23 °F)), yet somewhere else should be developed under glass. It requires a shielded situation in full sun or light shade.
List of poisonous plants
^ Tropicos, search for Gelsemium sempervirens
^ The Plant List, Gelsemium sempervirens (L.) J.St.-Hil.
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a b Ornduff, R. 1970. The systematics and breeding system of Gelsemium (Loganiceae). Journal of the Arnold Arboretum 51(1): 1–17 includes description, drawings, distribution map, etc.
^ Biota of North America Program 2014 county distribution map
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a b “Gelsemium sempervirens”. Atlas of Florida Vascular Plants. University of South Florida. Retrieved 2008-02-12.
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a b c d e “Gelsemium sempervirens”. Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2008-02-12.
^ “Gelsemium sempervirens (L.) W. T. Aiton”. Plants database. United States Department of Agriculture. Retrieved 2008-02-12.
^ “South Carolina State Flower | Yellow Jessamine”. statesymbolsusa.org. Retrieved 2019-10-15.
^ “Gelsemium sempervirens”. Drug Information Online. Drugs.com.
^ Anthony Knight and Richard Walter. 2001. A Guide to Plant Poisoning of Animals in North America.
^  “Nectar Gardening for Butterflies, Honey Bees and Native Bees”, Retrieved 2012-08-02
^ Manson, J.S., Otterstatter, M.C., Thomson, J.D. “Consumption of a nectar alkaloid reduces pathogen load in bumble bees”. 27 August 2009: Oecologia 162:81-89. Retrieved 2013
^ Niering, William A.; Olmstead, Nancy C. (1985) . The Audubon Society Field Guide to North American Wildflowers, Eastern Region. Knopf. p. 619. ISBN 0-394-50432-1.
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a b “Gelsemium sempervirens”. www.rhs.org. Royal Horticultural Society. Retrieved 9 July 2020.