Petunia × atkinsiana (Sweet) D.Don ex W.H.Baxter

Petunia (Petunia x atkinsiana) is an annual or short-lived herb 30-80 cm tall from the Solanaceae family, a hybrid of two South American species, Petunia integrifolia and Petunia axillaris. Its flowers can be eaten fresh in salads or as a garnish. The Chinese community traditionally uses petunia to treat stomach ache, bruises, and constipation.

Petunia can be found growing around field edges, roadsides, and around old house sites. This plant prefers a sunny position or full sun. A shaded position can encourage the plant to produce lush foliage, but flowering becomes hindered. Petunia grows and flowers best in light, well-drained soil, and also prefers moist, fertile soil with a soil pH of 5-7. This plant is not frost-hardy, but is tolerant of heat, drought, and poor soil.

• Roots taproot.
• Stem branched, with glandular hairs, initially growing upright but later falling over or trailing, sticky-hairy
• Leaves ovate to elliptic shaped, apex pointed to rounded, margins entire, green. Lower leaves alternate and petiolate, while upper leaves sessile and reduced.
• Flowers axillary and solitary, with a corolla in various colors (white, pink, purple, striped), funnel- or somewhat swollen tube-shaped. Pentamerous flower with five epipetalous stamens, stamens inserted at the lower part of the corolla tube, anther length 2-3 mm, style upright.
• Fruit an ellipsoidal capsule 10-15 mm long, thin, the upper part of each valve split into 2 lobes. The ripe fruit is surrounded by an enlarged, glandular-hairy calyx consisting of five cord-shaped lobes.
• Seeds numerous per fruit, small, subglobose, light brown to dark brown, containing abundant endosperm.

• Propagation is done generatively using seed.
• Seeds germinate best at 15-20°C.

Information not found. Further research is needed.

Treats stomach ache, bruises, bloating and constipation, ascariasis (an infection caused by roundworms).

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