A naked branch which grows down into the soil and develops roots from its apex.
[Greek] A naked branch which grows down into the soil and develops roots from its apex (bot.).
r[=i]'z[=o]-f[=o]r, n. the structure bearing the true roots in certain species of Selaginella.--adj. RHIZOPH'OROUS. [Gr. rhiza, root, pherein, to bear.]