tuberous
adjective
tu·ber·ous
ˈtü-b(ə-)rəs 
ˈtyü-
1
: consisting of, bearing, or resembling a tuber
2
: of, relating to, or being a plant tuber or tuberous root of a plant
Examples of tuberous in a Sentence
Recent Examples on the Web
Lobelia with its beautiful blue, Scaevola, tuberous begonias and many other gorgeous flowering plants appear this time of year.
—
Becky Wern, Florida Times-Union, 7 Mar. 2026
The plant in question is neither an artichoke nor of Jerusalem origin, but rather a sunflower (Helianthus tuberous) native to the U.S. from the Great Lakes down to the South.
—Joshua Siskin, Oc Register, 1 Jan. 2026
Summer Bulbs Summer flowering bulbs, such as Asiatic lily, caladium, dahlia, elephant ears, and tuberous begonias, should be removed from the garden in zones 7 or below, where the ground is frozen solid for much of the winter.
—Mary Marlowe Leverette, Southern Living, 27 Dec. 2025
Certain plants prefer cooler or warmer temperatures, like tuberous begonias (40-45°F) and caladiums (65-70°F).
—Erica Browne Grivas, Better Homes & Gardens, 5 Oct. 2025
See All Example Sentences for tuberous
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Becky Wern, Florida Times-Union, 7 Mar. 2026
The plant in question is neither an artichoke nor of Jerusalem origin, but rather a sunflower (Helianthus tuberous) native to the U.S. from the Great Lakes down to the South.
—Joshua Siskin, Oc Register, 1 Jan. 2026
Summer Bulbs Summer flowering bulbs, such as Asiatic lily, caladium, dahlia, elephant ears, and tuberous begonias, should be removed from the garden in zones 7 or below, where the ground is frozen solid for much of the winter.
—Mary Marlowe Leverette, Southern Living, 27 Dec. 2025
Certain plants prefer cooler or warmer temperatures, like tuberous begonias (40-45°F) and caladiums (65-70°F).
—Erica Browne Grivas, Better Homes & Gardens, 5 Oct. 2025
See All Example Sentences for tuberous
Cite this Entry
“Tuberous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuberous. Accessed 14 Mar. 2026.
Copy CitationKids Definition
tuberous
adjective
tu·ber·ous
ˈt(y)ü-b(ə-)rəs
1
: consisting of, resembling, or producing a tuber
2
: of, relating to, or being a plant tuber
Medical Definition
tuberous
adjective
tu·ber·ous
ˈt(y)ü-b(ə-)rəs
: characterized by or being knobby or nodular lesions
tuberous xanthomas on the knees
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