Nicotiana cutleri
| Nicotiana cutleri | ||||||||||||
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Nicotiana cutleri | ||||||||||||
| D'Arcy |
Nicotiana cutleri is a plant type from the genus tobacco ( Nicotiana ) from the family of the nightshade family (Solanaceae). The species is common in Bolivia .
description
Nicotiana cutleri is a 40 to 60 cm high herbaceous plant . The stems are round and have one or two weak furrows. They are finely haired with short-stemmed, glandular and non-glandular trichomes . The leaf blade is membranous, heart-shaped, about 15 cm long and 8 cm wide. To the front they are blunt, the base of the lower leaves is heart-shaped, the leaves near the inflorescences are blunt at the base. The leaf margin is almost entire to wavy. There are around 6 secondary veins on each side of the central axis. The leaf surfaces are bald to finely hairy, the veins are hairy with fine fluff. The leaf stalks are wingless, 4 to 5 cm long and hairy.
The inflorescences are narrow thyrsen-shaped and much flowered . They stand on a sturdy peduncle that is slender and angled towards the tip and is 20 to 40 cm long. The basal branches are accompanied by reduced sheets, the upper branches are not bracts accompanied or narrow, hairy bracts. The flower stalks are up to 5 mm long and finely hairy.
The calyx is 6 mm long, tubular-bell-shaped and has five narrow, triangular teeth. The outside is hairy with fine felting, the inside is only slightly downy. The crown is yellow-greenish, urn-shaped and tubular, 17 mm long, 6 mm wide and straight. The crown throat is cylindrical to elliptical, strongly tapered at the base and tip. The coronet is covered with five curved, about 2 mm long lobes, which are hairless on the outside except for a few hairs at the tips. The inside is completely hairless.
The five stamens do not protrude beyond the corolla, they set 3 mm above the base of the corolla tube. The stamens are 12 mm long, the lower 4 to 5 mm are thickened and have long felted hair, the upper 2/3 are hairless and slender. The anthers are in a group just below the crown opening, are 3 mm long and egg-shaped. The ovary is narrow oval, 3 mm long, the stylus is cylindrical, the upper 6 mm are fine hair. The scar is flattened and slightly bilobed.
Occurrence
The species occurs in Bolivia and grows there at altitudes around 200 m on clay soils on river banks.
swell
- William G. D'Arcy: New Names and Taxa in the Solanaceae . In: Annals of the Missouri Botanical Garden , Vol. 63, 1976. pp. 363-369.