Volunteer lupins

Lupinus angustifolius

Lupinus angustifolius, commonly known as Narrow-leafed Lupin or Blue Lupin, is a flowering plant belonging to the Fabaceae family. It is cultivated as a crop and is known for its nitrogen-fixing abilities, which contribute to soil fertility. Here's an informative description of this plant:

Description:

  1. Plant Structure:

    • Size: Narrow-leafed Lupin typically grows to a height of 1 to 3 feet (30 to 90 cm).
    • Growth Form: It has an erect and bushy growth habit with multiple stems.

  2. Leaves:

    • Arrangement: The leaves are alternate and palmately compound with usually five to nine leaflets.
    • Leaflet Shape: The leaflets are lanceolate to linear, giving the plant its "narrow-leafed" characteristic.

  3. Flowers:

    • Inflorescence: Narrow-leafed Lupin produces tall spikes of pea-like flowers.
    • Flower Color: The flowers can range in color, including blue, purple, pink, or white.

  4. Fruit:

    • Pods: After flowering, the plant forms pods containing seeds. The seeds are often used for various purposes.