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Any of various shrubs classified either in the genus Mahonia or the genus Berberis, such as the Oregon grape.

[New Latin Mahonia, genus name, after Bernard McMahon (c. 1775-1816), Irish-born American botanist .]


(Plants) any evergreen berberidaceous shrub of the Asian and American genus Mahonia, esp M. aquifolium: cultivated for their ornamental spiny divided leaves and clusters of small yellow flowers
[C19: New Latin, named after Bernard McMahon (died 1816), American botanist]


(məˈhoʊ ni ə)

n., pl. -ni•as.
any of various evergreen shrubs belonging to the genus Mahonia, of the barberry family, including the Oregon grape.
[< New Latin (1818), after Bernard McMahon (c1775–1816), U.S. botanist, born in Ireland; see -ia]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mahonia - evergreen shrubs and small trees of North and Central America and AsiaMahonia - evergreen shrubs and small trees of North and Central America and Asia
magnoliid dicot genus - genus of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms
References in periodicals archive ?
Though they are not related, mahonias and hollies have superficial similarities in terms of their shiny, often prickly foliage.
No taller than 90 cm (3ft) with yellow fragrant lily-ofthe-valley-like flowers in terminal spikes followed by dark, grape-like berries, the evergreen mahonias are winter/early spring flowering.
Mahonias are especially valuable, with clusters of primrose yellow spikelets from November to January and evergreen foliage, adored by flower arrangers.
Mahonias like fertile soil with added organic matter and do best in full or partial shade, where the soil is moist all the time.
MAHONIAS can be a trifle spiky with their holly-like leaves, but when they are in flower their brightest yellow flower spikes are really eye-catching.
Mahonias also have the advantage of tolerating shady conditions, thus even the most dismal corner of the garden can be livened up.
All mahonias are evergreen, and can be good architectural plants, giving good shape/foliage in a garden or border.
Where shrubs are concerned, three closely related groups - barberries, mahonias and nandinas - take center stage in the fall color arena.
Closely related to the Berberis family, I think the Mahonias are an undervalued genus of plants with stunning lily-of-the-valley fragrance, so it's nice they have this accolade.
Now it is commonplace to include plants in our gardens, such as witch hazels and mahonias, which do their thing in winter.
But now it is commonplace to include plants in our gardens, such as witchhazels and mahonias, which do their thing in deep midwinter.