Plant Families: Letter O

  • Orchidaceae - Orchid Family

    Orchidaceae, commonly known as orchids, is one of the largest families of flowering plants in the world, with over 25,000 species found in every continent except Antarctica. They are renowned for their stunning beauty and unique floral structures.

  • Orobanchaceae - Broomrape Family

    Orobanchaceae is a family of parasitic plants commonly known as broomrapes that lack chlorophyll and depend entirely on their host for nutrients. They have unique features and fascinating adaptation mechanisms that enable them to survive and thrive in their often harsh and challenging environments.

  • Osmundaceae - Royal Fern Family

    The Osmundaceae family consists of ferns with a long evolutionary history, dating back to the Jurassic period. The family is characterized by its large size and distinctive fronds, making it a popular choice for ornamental gardening.

  • Oxalidaceae - Oxalidaceae Family

    The Oxalidaceae family, commonly known as the wood sorrel family, includes plants with clover-like leaves and showy flowers.

  • Oleaceae - Olive Family

    The Oleaceae family consists of over 24 genera and 600 species of flowering plants, including trees, shrubs, and vines. They are mainly found in temperate and tropical regions and are known for their beautiful flowers and distinctive aroma.

  • Onagraceae - Evening Primrose Family

    Onagraceae is a family of flowering plants that are found in various habitats worldwide, and they are known for their beautiful and showy flowers.

  • Olacaceae - Olax Family

    Olacaceae is a family of flowering plants found primarily in tropical regions. They are known for their diverse range of ecological and economic importance, including medicinal properties, timber production, and contribution to local ecosystems.

  • Ochnaceae - Ochna Family

    A family of flowering plants, Ochnaceae comprises approximately 30 genera and 500 species. These plants exhibit a wide range of growth habits, from shrubs to trees, and are mostly found in tropical regions. The flowers of these plants are often showy and brightly colored, making them popular ornamental plants in some areas.

  • Opiliaceae - Opilia Family

    Opiliaceae are a family of flowering plants known for their interesting morphology, including their often fleshy and colorful fruits. These plants are found predominantly in tropical regions and play important ecological roles within their ecosystems.

  • Ophioglossaceae - Adder's Tongue Family

    The Ophioglossaceae family consists of ferns commonly known as adders-tongues. These ferns are characterized by their simple leaves and unique reproductive structures.

  • Oncothecaceae - Fern Family

    Oncothecaceae is a small family of flowering plants that includes just one genus, Oncotheca. These plants are native to central and southern South America and are known for their distinctive fruit capsules.