Difference between revisions of "Petunia axillaris"
Sterns & Poggenburg, Prelim. Cat., 38. 1888.
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|genus=Petunia | |genus=Petunia | ||
|species=Petunia axillaris | |species=Petunia axillaris | ||
Latest revision as of 13:14, 24 November 2024
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.