Calluna

noun
Cal·lu·na | \ kəˈl(y)ünə \

Definition of Calluna 

: a genus of low shrubs (family Ericaceae) included by some in the genus Erica but distinguished by opposite leaves and sepals which are much longer than the petals — see heather

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History and Etymology for Calluna

New Latin, irregular from Greek kallynein to beautify, sweep clean, from kallos beauty; from its use in making brooms

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