rhi·​zo·​ma·​tous rī-ˈzō-mə-təs How to pronounce rhizomatous (audio)
: having, resembling, or being a rhizome
a rhizomatous perennial grass

Example Sentences

Recent Examples on the Web Another versatile tender perennial, begonias—specifically rhizomatous and fibrous types—can thrive as houseplants in winter in both cool, bright conditions and somewhat warm and sunny ones, says Ms. McGowan. Sarah Karnasiewicz, WSJ, 8 Sep. 2022 One of the world’s worst weeds, infesting over 75% of Alabama’s counties, was spotted in Idaho in early May. Cogongrass, or Imperata cylindrica, is a rapid-spreading perennial rhizomatous grass. al, 10 July 2022 Healthy and actively growing bermudagrass typically recovers after infestation and defoliation due to its aggressive rhizomatous and stoloniferous growth habit. Julia Musto, Fox News, 9 Sep. 2021 This method works for non-rhizomatous plants with nodes as well. oregonlive, 8 Apr. 2021 Lentine loves the title poem for its invention of an insistent iris, a rhizomatous perennial that suffers death each fall, only to be reborn in the spring. Washington Post, 16 Dec. 2020 Two types of begonias can flourish indoors: fibrous and rhizomatous. Earl Nickel, SFChronicle.com, 4 Dec. 2020 Some varieties of this rhizomatous perennial have unusual spring leaf color and showy spikes of flowers. Joanne Kempinger Demski, Milwaukee Journal Sentinel, 20 June 2019 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rhizomatous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary, from New Latin rhizomat-, rhizoma

First Known Use

1812, in the meaning defined above

Time Traveler
The first known use of rhizomatous was in 1812

Dictionary Entries Near rhizomatous

Cite this Entry

“Rhizomatous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhizomatous. Accessed 30 Mar. 2023.

Medical Definition


rhi·​zo·​ma·​tous rī-ˈzō-mət-əs How to pronounce rhizomatous (audio)
: having or resembling a rhizome
a drug from a rhizomatous root
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