rhizome

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Related to rhizomatous: rhizomatous begonia, stoloniferous

rhi·zome

(rī'zōm),
The creeping underground stem of some plants (for example, iris, calamus, and sanguinaria).
[G. rhizōma, mass of roots, fr. rhiza, root, + -oma, mass]

rhizome

a horizontal underground stem (with leaves and buds) that serves as a storage organ and a means of VEGETATIVE PROPAGATION. Rhizomes are found in flowering plants such as Iris.
References in periodicals archive ?
The rhizomatous Elymus employed a variety of morphological responses both apparently to forage for local nutrient patches and to penetrate and circumvent root systems of different barrier species.
Efforts to introgress the rhizomatous trait into new germplasm combinations have continued.
Of the 23 species with a frequency of occurrence [greater than]10% in these plots, 19 were perennials and 15 were rhizomatous (Table 2).
Technical note: Field measurement of etiolated tiller growth of rhizomatous grasses.
Only two other rhizomatous species were recorded in the incubations: Linnaea borealis and Calamagrostis lapponica, but in very low densities.
As a general rule, neither do they need much in the way of pruning - but be warned, they do run, especially the rhizomatous varieties which look most naturalised in British gardens.
It spreads by means of its strong rhizomatous roots and soon forms large clumps, up to 2m (6ft) in height.
Active Formica mounds often develop a distinctive cover of the strongly rhizomatous grasses Muhlenbergia richardsonis and M.
Plant life-form should also affect the spatial pattern of biomass on the landscape, with bunchgrasses forming more concentrated locations of biomass than rhizomatous grasses.
There are a good number of hybrids available of this rhizomatous perennial, reminiscent of smaller spikes and flowers of Gladioli.
Vigor ratings were based on visual estimates of the amount of fall growth, density of tillering, and plant diameter, or for rhizomatous species, plant spread.
Other bulbous and rhizomatous plants can take up the baton.