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Overview

Distribution

Nicotiana glauca Graham:
Argentina (South America)
Bolivia (South America)
Brazil (South America)
Chile (South America)
El Salvador (Mesoamerica)
Guatemala (Mesoamerica)
Honduras (Mesoamerica)
Mexico (Mesoamerica)
Peru (South America)
United States (North America)
South Africa (Africa & Madagascar)
China (Asia)
Ecuador (South America)
Venezuela (South America)
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

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National Distribution

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Shrubs or small trees 2-6 m tall, glabrescent. Petiole slender, 3-12 cm; leaf blade ovate, 5-25 cm, leathery, base obtuse to cordate, entire, apex obtuse or acute, glaucous, subleathery. Inflorescences many-flowered, lax panicles. Pedicel 3-12 mm. Calyx tubular, 1-1.5 cm; lobes deltate, acute, equal. Corolla yellow to red, tubular, 2.5-4.5 cm; lobes short. Stamens subequal, included. Capsules ellipsoid, 0.7-1.5 cm. Seeds brown, ca. 0.5 mm.
  • Flora of China @ eFloras.org
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

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Diagnostic Description

Synonym

Nicotiana glauca var. angustifolia Comes; N. glauca var. grandiflora Comes.
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Ecology

Habitat

Habitat & Distribution

Cultivated in China [native of Argentina].
  • Flora of China @ eFloras.org
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Nicotiana glauca

The following is a representative barcode sequence, the centroid of all available sequences for this species. 

 
There are 2 barcode sequences available from BOLD and GenBank.  Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.  See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
 
GBVK4225-11|EF438826|Nicotiana glauca|  
-- end --

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Statistics of barcoding coverage: Nicotiana glauca

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Species: 10
Species With Barcodes: 1

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNA - Not Applicable

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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Wikipedia

Nicotiana glauca

Nicotiana glauca is a species of wild tobacco known by the common names tree tobacco and incorrectly also Mustard tree. Its leaves are attached to the stalk by petioles (many other Nicotiana species have sessile leaves), and its leaves and stems are neither pubescent nor sticky like Nicotiana tabacum. It grows to heights of more than two meters.

Tree tobacco is native to South America but it is now widespread as an introduced species on other continents. It is a common roadside weed in the southwestern United States, and an invasive plant species in California native plant habitats.

The plant is used for a variety of medicinal purposes and smoked by Native American groups.[1] It is being investigated for use as a biofuel.[2]

Gallery

References

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