Botany
Dilang-butiki is a weed, prostrate, nearly or quite smooth, somewhat succulent, slender, branced, herbaceous annual, rooting at the nodes. Leaves are narrowly oblong-obovate to narrowly elliptic, and 1 cm long or less. Flowers are stalkless, white, about 2 mm long, and borne singly in the axils of the leaves. Capsule is ovoid, about 4 mm long.

Distribution
In open, waste places in and about towns at low and medium altitudes throughout the Philippinwa.
Introduced from Mexico, now found in India to southern China and through Malaya to Australia and Polynesia.

Parts used
Roots.

Uses
Folkloric
Malays used the plant for poulticing sores.

Studies
• Smooth Muscle Activities: Of 27 plants studied, 48% demonstrated smooth muscle relaxant activity and 17% contraction. The bark of Hedyotis congesta demonstrated the most potent contraction.
 
Availability
Wild-crafted.

Additional Sources and Suggested Readings
(1)
PRELIMINARY IN VITRO PHARMACOLOGICAL EVALUATION OF TROPICAL RAIN FOREST PLANTS OF MALAYSIA / Wiart C, Kumar A, Mogana R et al /