Perennial plant 10-30 cm long. Leaves inverted-ovate or ovate-lanceolate, with wedge-shaped remains. Stipules unequal, oblong and oval. Calyx with a bare tube and sharply lanceolate, ciliated at the edges of the teeth. The flowers are yellow or dirty yellow
The average, annual, minimum temperature zone where Lotus maritimus is cold hardy. USDA Zone:6 -10° to 0°F (-23.5° to -18°C).