Monday, June 21, 2010

The Blue-green tobacco

The Blue-green tobacco (Nicotiana glauca), shrub or tree tobacco or tobacco called a species of tobacco (Nicotiana) is.

may act in contrast to most other types of tobacco, it achieved the blue-green tobacco is a small tree or shrub, height up to 6 meters. At the age of the plants verkahlen very strong.

The blue-green, leathery, oval leaves and entire margin available to 3-12 cm long petioles are 5-25 cm long, the leaf base is truncated to heart-shaped, the tip is blunt or pointed.

The inflorescences are many flowered, loose panicles, which are the flowers on 3-12 mm long flower stalks. The cup is tubular and has a length of 1 to 1.5 cm. The Kronlappen are uniform, triangular and pointed. The yellow to red crown is also tubular, has a length of 2.5 to 4.5 cm and has only short Kronlappen. In the tube there are the stamens are nearly the same length. The flowers are slightly protogyn, that is, the scar is only a short time after the popping of the anthers fertilization. Per flower, about 20 μL produce nectar that attracts hummingbirds as potential pollinators.

The fruit is elliptical, 0.7 to 1.5 cm large capsules, in which several hundred seeds are brown with a size of about 0.5 mm.

The Blue-green tobacco is originally from Bolivia and Argentina, but is now naturalized in most tropical and subtropical regions of the world.

In the Mediterranean area, he is a character species of open waste places such as roadsides, dumps etc.. He likes to grow in coastal areas. In contrast to most other types of tobacco, he also holds slight frost.

See Also: sending flowers, online florist

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