Also found in: Thesaurus.


A very low-growing shrub.


(Botany) another name for subshrub


(ˈʌn dərˌʃrʌb)

a low shrub.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.undershrub - a low shrubundershrub - a low shrub        
bush, shrub - a low woody perennial plant usually having several major stems
References in periodicals archive ?
Basil (Ocimum sanctum) is a branched softly pubescent undershrub, 30 to 60 cm high plant belongs to Lamiaceae family which is digestive, diuretic, expectorant, stomachic, and useful in asthma, bronchitis, catarrhal fever, hiccough, vomiting, ringworm and skin diseases [3].
europaeus have > 25% ground cover, where soil is wetter Erica tetralix may occur as dominant undershrub and Molinia caerulea is the main grass species Fen >7 Carex spp.
The plant Crotalaria arenaria, a leguminous undershrub found in the savanna, was called manta uwa, which means "forget mother" in Hausa.
In addition, high soil moisture (>40%) occurred considerably more frequently in the undershrub microenvironment than between shrubs, whereas the low soil moisture (<20%) occurred considerably less frequently (Fig.
Grewia scabrophylla at times is an undershrub, when exposed to annual
Stephen Harris, chief botanist with the Parks and Wildlife Service in Tasmania's rainforest, said: "When people think of a 43,000- year-old plant they probably visualise something gnarled and twisted but this just looks like an undershrub in the forest.