Among the flowering plants, rye shows paternal inheritance, and predominantly paternal inheritance has been observed in chaparral.
From the Colorado to the Rio Grande, the Black Prairie, the timber belt and the Coast Prairie merge in a vast plain, little differentiated, overgrown with chaparral (shrub-like trees, often thorny), widening eastward in the Rio Grande delta, and extending southward into Meico.
Its wild grasses are luxuriant and a shrubby growth is found along many of its streams. The decline in stock-breeding resulted in a considerable growth of trees and chaparral over the greater part of the plain.
Velez „ Among the smaller towns which deserve mention are Ambalema on the upper Magdalena, celebrated for its tobacco and cigars; Buenaventura (q.v.); Chaparral (9000), a market town of Tolima in the valley of the Saldana, with coal, iron and petroleum in its vicinity; Honda (6000), an important commercial centre at the head of navigation on the lower Magdalena; Girardot, a railway centre on the upper Magdalena; and Quibd6, a small river town at the head of navigation on the Atrato.