Hygrophyla is an erect, stout, branched or unbranched, annual herb growing 1.5 m or more tall. Occasionally the basal part of the stem is creeping and rooting. Stem sparsely branched, 4 angled, leaves subsessile Flowers arranged in false verticils, with two  strong thorns of 4-6 cm long.

In Rwannda, It cures Paludism; and is used to cure poisoning. Nsanzubuhoro from the Western Province, Ngororero district uses the infusion of Hygrophila auriculata crushed leaves and roots  in combination with Epitobium stereophylum to treat poisoning and psychotic diseases. The cocktail may be supplemented by other medicinal plants for a more effective treatment. Hygrophila auriculata (leaves) are used by a TMP Uwimana Beatha in the Southern province, Gisagara together with Acanthus pubescens (leves and flowers), aloe vera (leaves), Chenopodium ugandae (whole plant), and Plantago palmate (leaves),  in the treatment of skin diseases.
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The plant contains terpenoids, alkaloids, flavonoids, and is traditionally known as an aphrodisiac, renal tonic, and for its health promoting properties. Used in form of fumigation for the treatment of corneal ulcer. The whole plant may be soaked in water and the infusion used as a body wash for headache and is said to have a cooling property. Crushed leaves placed in the nostrils and the fumes inhaled as a treatment of headache.
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