The plant is known only from southern Yunnan, at elevations of 900 to 1,200 m above sea level.
Ferrocalamus are perennial shrubby bamboos having erect culms.
The internodes are long, thick walled, with a ring of white hairs below the nodes.
Culm sheaths are persistent, leathery at base, thinner at apex.
Fruit is rounded berry-like, succulent with thickened, fleshy pericarp but without hardened endocarp.