The characteristics of plant
short-lived plant season stem upright branches, fragrant only tall 0.3-1 meters stem and branches are square, yellowish green when immature has white fur density. Leaves opposite, lanceolate to oval. Wide 1-2.5 cm long, 2.5-5 cm. Basal leaves wedge shaped end of the blade sharp edge, smooth leaves, leaves the skin smooth, have gland it is common, a long petiole up to 2.5 cm, flowers, a girl to like 15 cm. The inflorescence consists of branched out into clusters, each cluster 3 flowers. The 2 bract ellipse you spear, long 2-3 mm, hairy stem up to 4 mm long branch2 pool. Petals white, connected to a tube. The separation is 2 mouth, long 4-6 mm. Stamens 4 a long 2 short 2. Pistil is 4 eggs. The ovary is 4 concave Pu dry fruit consists of the sub 4 results are sepals covered.Black 1 mm wide, long 1.25 mm
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