helianthemum(redirected from helianthemums)
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(Plants) any plant of the dwarf evergreen genus Helianthemum, some species of which are grown as rock-garden plants for their numerous papery yellow or orange flowers; related to the rockrose, which they resemble: family Cistaceae. Also called: Cape primrose
[New Latin, from Greek hēlios sun + anthemon flower]
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|Noun||1.||helianthemum - any plant of the genus Helianthemum; vigorous plants of stony alpine meadows and dry scrub regions|
genus Helianthemum - widely distributed evergreen or semi-evergreen shrublets; America; Europe and North Africa to Asia Minor and central Asia
Crocanthemum canadense, frostweed, frost-weed, frostwort, Helianthemum canadense - perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts
rock rose, rockrose - any of numerous varieties of helianthemums having small rose-like yellow or white or reddish flowers
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