From the Latin meaning little triangle.
Annual herbs, sometimes strongly aromatic. Leaves of 3 pinnately arranged, toothed leaflets; stipules joined to the leaf stalk. Flowers in heads, rarely solitary, yellow, blue or white. Stamens 10, 9 united, 1 free. Fruit pod with a beak, sometimes indehiscent.
About 80 species from Eurasia, S Africa and Australia.
Annual herb; leaflets 3, pinnately arranged and with toothed margins.
Source: (2002). Fabaceae. In: . Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.