Sacred twig Latifolia, or Abraham's tree, or Vitex sacred, or Monk's pepper (lat. Vitex agnus-castus).
Tree-like shrub 4-8 m high. The entire plant is grey-tomentose with dense appressed hairs. The branches are brown, tetrahedral, with a pungent aroma. The root is taproot, well branched, with a large number of adventitious roots.
The leaves are large, green, 5-10 cm long.
The flowers are numerous, pale lilac, two-lipped, collected in dense intermittent paniculate-spike-shaped inflorescences at the tops of the branches. The calyx is five-membered, fused-leaved, tubular in shape, three times shorter than the corolla, up to 9 mm long. Four stamens protruding high above the corolla. The color of the corolla is pale blue.
The fruit is a black, dry four-locular spherical drupe with a diameter of 3-4 mm. Fruiting is annual and abundant.
It blooms from June to the end of October, bears fruit in October - November.
It is undemanding to soils, grows on rocky, sandy, loamy soils, and is salt-tolerant. It grows along the banks of rivers and ditches, along ravines, on the coast, and forms small thickets. Cultivated in gardens as an ornamental plant. Pollinated by insects, partial self-pollination possible. Lives up to 55-62 years.