Distribution and habitat: Throughout India. Prefer shady and humid conditions.

Botany: Small hairy annual/perennial herb, slow growing, branches numerous, wiry, often prostrate 

• Leaves: Alternate, simple, petiolate, elliptic-oblong or oblong-ovate, leaf blade 0.4-2.5 cm x 1.25 cm
• Flowers: Light blue, solitary or sometimes in pairs, axillary, jointed near the middle of the peduncle where two small opposite lanceolate bracteoles are present
• Fruits: Globose 4-valved drooping capsules.

Properties: General tonic, brain stimulant, febrifuge, anthelminthic, antispasmodic, aphrodisiac, and antifungal.

Chemical constituents: Amino acids, β-sitosterol, carbohydrates, pantatriacontane, phenolic compounds, phenols triacontane.

Uses: Fever, nervous debility, cure dysentery and stomach ache, applied on wounds. It is used as a blood purifier. 

Agrotechnology:

Propagation: cuttings, seeds. Seeds require hot water treatment for germination.

Harvest: Complete life cycle in 4 months and the plant is harvested.