Flowers Starting with O

Sesbania tomentosa, also known as Oahu Riverhemp, is a species of flowering plant in the Fabaceae (pea) family, native to the Hawaiian Islands and the Necker and Nihoa Islands. At least 2,000 species grow in Nihoa, while much fewer in Necker. Oahu Riverhemp is very polymorphic and has excellent variations in shape and color.

Clematis ligusticifolia is woody or semi-woody climber from the Ranunculaceae family. This desert flowering plant can grow up to 20 feet or more. All parts of the plant can cause severe irritation in the mouth if eaten.

When we think of oranges, we often think of their refreshing citrus flavor, vitamin C, and juice. However, we seldom think of them coming from trees that produce orange blossoms with an equally attractive fragrance. The flowers are star-shaped, white, and of course, have a strong scent of citrus notes and sweet, sweet, soapy undertones.

Ornithogalum, often known as Star of Bethlehem or Wonder Flowers, are beautiful spring flowers that are easy to love and even easier to please. Species typically have linear basal leaves, and a thin stem up to 30 cm tall with white star-shaped flowers often streaked with green.

Osteospermum is a relatively new addition to the world of gardening as it became only available in the early 1990s. With its daisy-like flowers in a wide variety of colors, the osteospermum is a favorite among florists and gardeners. Each flower features a central disk of tiny tubular flowers surrounded by fertile ray blooms that resemble petals in a wide range of colors, including yellow, pink, and white.