Petunia axillaris

(Lamarck) Britton

Sterns & Poggenburg, Prelim. Cat., 38. 1888.

Common names: White-flowered petunia
Introduced
Basionym: Nicotiana axillaris Lamarck in J. Lamarck & J. Poiret Tabl. Encycl. 2(3[1]): 7. 1794
Treatment appears in FNA Volume 14.
Revision as of 21:35, 6 October 2024 by imported>Volume Importer
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Stems 1.5–7 dm. Leaf blades: proximalmost oblanceolate, distalmost lanceolate to ovate, 2–8.5 (including petiole) × 0.8–3.5 cm, margins entire. Pedicels 1.5–8 cm. Flowers: calyx 8–17 mm, lobes 4–14 mm; corolla ivory to white (lobe apex sometimes drying pale pink), veins often green or dark purple (drying brownish), salverform, tube 2.8–5.2 cm, limb 2.5–5.5 cm diam.; stamens inserted near midpoint of corolla tube, not surpassing style; anthers and pollen yellow; filaments green; pistil 3.2–4.5 cm. Capsules 5–12 mm. 2n = 14.


Phenology: Flowering May–Oct.
Habitat: Waste places, along railroads and roadsides, poor soil.
Elevation: 0–400 m.

Distribution

Introduced; Ala., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Mass., Mich., Minn., Mo., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Tex., W.Va., South America (Argentina, Bolivia, Brazil, Paraguay), introduced also in Australia.

Discussion

Specimens of Petunia axillaris are often misidentified as P. × atkinsiana, especially if there is some slight color in the corolla. Petunia × atkinsiana with white corollas sometimes has the blue pollen and anther color of P. integrifolia.

Selected References

None.

Lower Taxa

None.
... more about "Petunia axillaris"
Kathryn L. Fox +  and Janet R. Sullivan +
(Lamarck) Britton +
Nicotiana axillaris +
White-flowered petunia +
Ala. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Mass. +, Mich. +, Minn. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, S.C. +, Tenn. +, Tex. +, W.Va. +, South America (Argentina +, Bolivia +, Brazil +, Paraguay) +  and introduced also in Australia. +
0–400 m. +
Waste places, along railroads and roadsides, poor soil. +
Flowering May–Oct. +
Sterns & Poggenburg, Prelim. Cat., +
Introduced +
Stimoryne +
Petunia axillaris +
species +