rhizomatous
Adjective
Meaning
Having the nature or habit of a rhizome or rootstock.
Source: Webster's dictionarySynonyms
Examples
All of the species are rhizomatous aquatic herbs with a broad leaf base and large showy flowers.
In addition, many can be propagated from leaf cuttings or even sections of leaves, particularly the members of the rhizomatous and rex groups.
Mentha L. In: Stace, C. A., ed. Hybridization and the flora of the British Isles page 387. It is a herbaceous rhizomatous perennial plant growing to convert tall, with smooth stems, square in cross section.
Tarragon has rhizomatous roots and it readily reproduces from the rhizomes.