Wild basil is a perennial
rhizomatous herb with square, upright, hairy stems and opposite pairs of leaves. The leaves are hairy,
ovate or
lanceolate in shape, and have short or no stalks, wedge-shaped bases and bluntly-toothed margins. The
inflorescence is a terminal
spike consisting of several loose whorls of clusters of flowers growing in the
axils of the leaves. Each flower has a short stalk, five sepals about long and five petals in length which are fused into a tube. The flowers are pink, violet or purple and have two lips. Each has four stamens, a long style and fused
carpels. ==Distribution==