Plant Library Welcome to the Generous Gardeners Plant Library. Here you will find detailed information on numerous plants. Registered users can also add plants or modify existing information. Registration is free. Search for a plant listed in the library by name or characteristics.   Add a plant to the library.   Botanical NameCommon Name  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z    Oenothera   Common Name:   Evening Primrose, Missouri Evening Primrose, White Evening Primrose, Sundrop, Suncups, Oenothera   There are about 80 species in this genus of colorful plants. The ones for the garden have lovely saucer-shaped flowers with four wide overlapping petals. They bloom all along upright or spreading thick stems. The roots can be tap rooted, or spreading rosettes. The flowers are often a bright yellow, but many other colors and cultivars are becoming available. There are various heights that can be well integrated in the perennial border.   See full plant description Oenothera fruticosa   Common Name:   Evening Primrose, Missouri Evening Primrose, White Evening Primrose, Sundrop, Suncups, Oenothera   This species has narrow leaves and lovely bight yellow saucer-shaped flowers with four wide overlapping petals. They bloom on spreading thick stems that spread rapidly. This is a lovely plant for a border, although may need to be contained.   See full plant description Oenothera fruticosa subsp. Glauca   Common Name:   Sundrops, Evening Primrose, Missouri Evening Primrose, White Evening Primrose, Suncups, Oenothera   This species has narrow leaves and lovely bight yellow saucer-shaped flowers with four wide overlapping petals. They bloom on spreading thick stems that spread rapidly. This is a lovely plant for a border, although may need to be contained.   See full plant description Onopordum   Common Name:   Scotch Thistle, Cotton Thistle, Cottonthistle, Onopordum   There are about 40 species in this genus of biennial thistles. Large gray leaves with spiny fingers grow on plants that can be 6'-8' feet tall. The thistle flowers are usually purple or white. While seemingly weed-like, this plant can make a striking plant in a border garden.   See full plant description Osmunda   Common Name:   Cinnamon Fern, Royal Fern, Interrupted Fern, Fern, Osmunda   There are about 15 species in this genus of rugged ferns. These ferns are clump forming with bright green fronds and divided leaves. The fronds are usually slightly arching and some species can be quite large. This is a handsome plant for waterside or other moist environments.   See full plant description Osmunda cinnamomea   Common Name:   Cinnamon Fern, Fern, Osmunda   This is a handosme clump-forming fern. The fronds are erect, narrow and divided. The spore-bearing fronds are a cinnamon-colored plume. This is an ideal fern for a waterside setting.   See full plant description