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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
Word Origin
New Latin, from Greek hēlios sun + anthemon flower
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the Web for helianthemum
Historical Examples
  • Thus, certain species of helianthemum are apetalous in Lapland.

    Vegetable Teratology

    Maxwell T. Masters
  • The Sunflower (helianthemum annuus) is an example of one of the plants belonging to this division which has seeds yielding oil.

    Botany for Ladies Jane Loudon
  • It feeds from August to May on rock rose (helianthemum), eating the withered and even mouldy leaves.

  • I have seen a similar instance in a less degree in a species of helianthemum.

    Vegetable Teratology

    Maxwell T. Masters
  • Laid on the petals of the common furze (Ulex europæus), and on leaves of rock-rose (helianthemum chamæcistus).

  • Cross section of the ovary of Frost weed (helianthemum), with three parietal placent, bearing ovules.

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