Lupine (Latin scientific name: Lupinus micranthus) is an annual herb, up to 70 cm high. Stem base branches, palmate compound leaves, leaflets lanceolate to oblanceolate, leaves thick, raceme terminal, inflorescence axis slender, pedicel very short, calyx 2-lipped, bristly, corolla blue, flag Petals and keel with white markings. Pods oblong linear, seeds ovate, flat, streaked, smooth. It blooms from March to May and bears fruit from April to July.
There are many horticultural cultivars. Native to North America, mostly grown in sandy temperate regions. The annual wild type is distributed in Italy, Spain and other countries in the Mediterranean region. The Soviet Union, the Netherlands, Belgium, the United States, and New Zealand are more cultivated.
Lupine leaves are composed of many small leaves growing on both sides of the petiole, and white, blue, yellow or purple flowers will appear in clusters, clusters, which are delightful. Because the flowers are rich in color and the plants are well-defined, they are often used for landscaping. Gradually, with the enrichment of varieties, Lu Binghua has gradually entered ordinary families and is loved by more people.