Streptanthus farnsworthianus at intervals along the upper stem with one or two leaflike purple bracts at the base of the raceme. Each flower has an urn-shaped calyx of purple sepals up to a centimeter long. Curling purple-veined white petals emerge from the tip of the calyx. The fruit is a straight or curving silique up to 12 centimeters long. The plant was named for Evalyn Lucille Klein Farnsworth, a foothills cattle rancher and plant collector who first discovered it growing on her land. Streptanthus farnsworthianus Streptanthus farnsworthianus is an uncommon species of flowering plant in the mustard family known by the common
Lophospermum scandens with age and developing a woody caudex – a swollen, bulb-like structure at the base of the stem. The leaf stalks (petioles) are long, occasionally twining to grasp supports, thus enabling the plant to climb. The leaves are narrowly heart-shaped, long by wide, with a pointed apex and toothed edges (dentate or crenate). The leaves and stems are sparsely covered with short hairs. "Lophospermum scandens" flowers and fruits from May to November in its native habitat. The flowers are borne singly on stems (peduncles) long. The calyx has sepals that are generally narrowly ovate, long and wide at the base,