Tobacco
Scientific name: Nicotiana tabacum L.
Diagnostic features Erect annual to 2(3)m. Leaves with winged petioles, the wings clasping stem. Inflorescence a cymose panicle. Calyx-lobes c. as long as -tube or slightly shorter; corolla-tube 30-55mm. Corolla-limb 20-30mm across, lobed c.1/2 way, whitish to dingy red.
Chromosome number: (2n=48).
Habitat Introduced-casual; rarely grown for tobacco, now rare on tips and as relic, once much commoner.
Distribution Scattered in South England; South & Central America.
This species is keyed out on Page 3481 in the Text Key. |