Illustration of American bladdernut leaves, flowers, fruits.

    American Bladdernut

    Staphylea trifolia
    Illustration of buttonbush leaves, flowers, fruits.

    Buttonbush

    Cephalanthus occidentalis
    Illustration of northern catalpa leaves, flowers, fruit.

    Northern Catalpa

    Catalpa speciosa
    Illustration of shrubby St. John's-wort leves, flowers, fruits.

    Shrubby St. John’s-Wort

    Hypericum prolificum (formerly H. spathulatum)
    Illustration of St. Andrew's cross leaves, flowers, fruit.

    St. Andrew’s Cross

    Hypericum hypericoides (formerly Ascyrum hypericoides)
    willow

    Willows

    Salix spp. (about 12 species in Missouri)