Nicotiana sect. Tomentosae
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| Goodsp. |
Nicotiana sect. Tomentosae is a section of the genus tobacco ( Nicotiana ). There are five types of it .
description
The species in the Tomentosae section are sturdy shrubs or small trees with soft wood. The leaves are large, winged-stalked, densely hairy and mostly a bit sticky.
The flowers open during the day or partially at night, they do not fade at dawn. The crown is zygomorphic , bell-shaped and red or pink to dirty white in color. The corolla tube is curved, the corolla lobes are pointed or slightly curved.
The number of chromosomes is n = 12.
distribution
The species are distributed in the Andes from Peru to Argentina .
Systematics
The following species are included in the Tomentosae section :
- Nicotiana kawakamii Y. Ohashi
- Nicotiana otophora Griseb.
- Nicotiana setchellii Goodsp.
- Nicotiana tomentosa Ruiz & Pav.
- Nicotiana tomentosiformis Goodsp.
proof
- Sandra Knapp, Mark W. Chase and James J. Clarkson: Nomenclatural changes and a new sectional classification in Nicotiana (Solanaceae) . In: Taxon , Volume 53, Number 1, February 2004. pp. 73-82.