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rhizome

rhizome (rī´zōm) or rootstock, fleshy, creeping underground stem by means of which certain plants propagate themselves. Buds that form at the joints produce new shoots. Thus if a rhizome is cut by a cultivating tool it does not die, as would a root, but becomes several plants instead of one, which explains why such weeds as Canada thistle and crabgrass are so hard to eradicate. Ginger, the common iris, trillium, and Solomon's-seal all have rhizomes. True arrowroot is starch from the rhizome of a West Indian plant. See perennial.

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rhizome

rhizome A horizontal underground stem. It enables the plant to survive from one growing season to the next and in some species it also serves to propagate the plant vegetatively. It may be thin and wiry, as in couch grass, or fleshy and swollen, as in Iris. Compact upright underground stems, as in rhubarb, strawberry, and primrose, are often called rootstocks.

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rhizome

rhizome Creeping, root-like underground stem of certain plants. It usually grows horizontally, is rich in accumulated starch, and can produce new roots and stems asexually. Rhizomes differ from roots in producing buds and leaves. See also asexual reproduction; tuber

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rhizome

rhi·zome / ˈrīˌzōm/ • n. Bot. a continuously growing horizontal underground stem that puts out lateral shoots and adventitious roots at intervals. Compare with bulb (sense 1), corm.

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rhizome

rhizome A horizontally creeping underground stem which bears roots and leaves and usually persists from season to season.

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rhizome

rhizome A horizontally creeping underground stem which bears roots and leaves and usually persists from season to season.

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rhizome

rhizome (bot.) root-like stem. XIX. — Gr. rhizōma, f. rhizoûsthai take root, f. rhíza root.

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rhizome

rhizome Botanical term for swollen stem that produces roots and leafy shoots.

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rhizome

rhizomebrome, chrome, comb, Crome, dome, foam, gnome, holm, Holme, hom, home, Jerome, loam, Nome, ohm, om, roam, Rome, tome •Guillaume • biome • Beerbohm •radome • astrodome • Styrofoam •megohm • Stockholm • Bornholm •motorhome • backcomb • honeycomb •cockscomb, coxcomb •toothcomb • genome • gastronome •metronome • syndrome • palindrome •polychrome • Nichrome •monochrome • velodrome •hippodrome • aerodrome •cyclostome • rhizome

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