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Genus :

NICOTIANA

Family :

SOLANACEAE

Description


Erect, viscidly pubescent herbs. Leaves entire or sinuate. Flowers in terminal panicles or subterminal racemes. Calyx ovoid or tubular, 5-fid with narrow lobes. Corolla campanulate or funnel-shaped with 5 lobes, induplicate in bud. Stamens 5, adnate to the base of the corolla tube, filaments filiform, anthers ovate, dehiscence longitudinal. Ovary 2-celled with many ovules, stigmas shortly 2-fid. Fruit a 2-celled or rarely 4-celled capsule, with 2 valves.

Key to the species

Serial Key Reference
1a. Corymb compound with short ultimate branches; corolla lobes united, rosy white; capsules c 2 cm long N. tabacum
1b. Corymb elongated forming vary lax racemes; corolla lobes free, pure white; capsules c 1 cm long N. plumbaginifolia