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Petunia is a genus of 20 species of flowering plants of South American origin. [1] The popular flower of the same name derived its epithet from the French, which took the word pétun, 'tobacco', from a Tupi–Guarani language. A tender perennial, most of the varieties seen in gardens are hybrids (Petunia × atkinsiana, also known as Petunia × ...
Ruellia simplex, the Mexican petunia, Mexican bluebell or Britton's wild petunia, is a species of flowering plant in the family Acanthaceae that is native to Mexico, the Caribbean, and South America. It has become a widespread invasive plant in Florida , where it was likely introduced as an ornamental before 1933, [ 1 ] [ 2 ] as well as in the ...
Diagram of flower parts. In botany, floral morphology is the study of the diversity of forms and structures presented by the flower, which, by definition, is a branch of limited growth that bears the modified leaves responsible for reproduction and protection of the gametes, called floral pieces.
Its leaves are oppositely arranged, around 2.5 inches long by 1 inch wide, and are light green to medium green with entire margins. The stems and leaves are covered with soft white hairs. The funnel-shaped 5-lobed flowers are about 1.5 to 2.5 inches in diameter and resemble petunias, as does the rest of the plant.
After pollination, a seed capsule forms at the leaf axil where the flower originated. [6] The seeds of Ruellia caroliniensis are dispersed through explosive dehiscence.When the seed capsules of the plant reach maturity (after about two months), they burst open propelling the seeds away from the parent plant.
Ruellia strepens, commonly known as limestone wild petunia, [2] limestone ruellia, [3] smooth wild petunia, [4] or wild petunia [5] is a species of flowering plant in the family Acanthaceae, native to warmer parts of the central and eastern United States.
The genera Brunfelsia, Plowmania, Fabiana, Nierembergia and Petunia furnish garden plants bearing attractive flowers.Brunfelsia and Plowmania are genera of tropical shrubs requiring glasshouse protection in temperate climate areas; Fabiana species are hardy shrubs; Nierembergia species are dwarf, hardy herbaceous perennials or sub-shrubs, and Petunia × atkinsiana has yielded a huge variety of ...
Perforate leaves, sometimes called fenestrate, occur naturally in some species of plants. Holes develop as a leaf grows. Holes develop as a leaf grows. The size, shape, and quantity of holes in each leaf can vary greatly depending on the species and can even vary greatly within a given species.