Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Nicotiana

View taxon page for Nicotiana

(For a list of species in Nicotiana, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Shrub, small treeherbage glabrousglaucous ..... N. glauca

1' Annual herb; herbage generally glandular-hairy

2. Corolla 50–75 mm; cauline leaves generally    winged ..... [N. sylvestris]

2' Corolla 15–50(65) mm; cauline leaves generally ; basal leaf petioles winged or not

3. Upper cauline leaves clasping; perennial herb, base often ± woodycorolla open during day ..... N. obtusifolia

3' Upper cauline leaves not clasping; annual; corolla generally ± closed during day

4. Cauline leaves generally ±  (except lowest)

5. Corolla tube 15–20 mm, limb 8–10 mm wide; stamens attached ± at 1 level below tube middle; calyx  very unequal ..... N. clevelandii

5' Corolla tube 25–50 mm, limb 20–50 mm wide; stamens attached at various levels generally above tube middle; calyx lobes ± unequal ..... N. quadrivalvis

4' Cauline leaves petioled

6. Calyx dark-striped, lobes narrowly lanceolate, unequal, generally ± >= tube, not pock-marked; plant densely glandular-hairy ..... N. acuminata var. multiflora

6' Calyx not striped, lobes triangular, ± equal, < tube, pock-marked; plant glabrous to ± sparsely glandular-hairy ..... N. attenuata



Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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