Phyllanthus amarus is an annual herb 60 to 75 cm tall, quite glabrous. Root is stout and woody. Stems are often branched at base and angular. Leaves are numerous, sub-sessile, distichous, stipulate and paripinnate with small leaflets. The leaflets are oblong, having nerve obscure and base rounded.
Root is stout tortuous and woody.
*above specification are indicative only. actual dimensions may vary by +-10%