Arachis L.

Greek a — without, rachos — branches.

Mostly annual herbs with spreading stems. Leaves alternate, odd-pinnate; stipules united to the bases of the petioles. Flowers in axillary spikes, yellow. Stamens united into a tube. Fruit with a netted surface, remaining closed and ripening underground; seeds 1-3.

Grown both commercially and ornamentally as a novelty in warm regions.

22 species from S America.


Commercial peanut.

Leaflets 4; pods constricted and developing underground.

Source: Spencer, R. (2002). Fabaceae. In: Spencer, R.. 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.

Hero image
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Fabales
family       Fabaceae
Higher taxa
Subordinate taxa
species         Arachis hypogaea L.