
1) Genus calycanthus 2) Magnoliid dicot genus
Found on
https://www.crosswordclues.com/clue/calycanthus

Calycanthus (sweetshrub) is a genus of flowering plants in the family Calycanthaceae, endemic to North America. The genus includes two to four species depending on taxonomic interpretation; two are accepted by the Flora of North America. They are deciduous shrubs growing to 2-4 m tall. The leaves are opposite, entire, 5-15 cm long and 2-6 cm broad...
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http://en.wikipedia.org/wiki/Calycanthus

(Allspice, Sweet Shrub) These hardy, vigorous-growing, deciduous shrubs are found wild in the United States. Commonly known as Allspice or Sweet Shrub, these plants are grown for their fragrant bark and blossoms. C. floridus (Carolina Allspice) is a medium-sized shrub with aromatic, shiny, dark green foliage. Its brownish-red flowers consist of num...
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http://www.encyclo.co.uk/local/10004

Calycanthus is a genus of hardy American shrubs, of which one species, Florida allspice (Calycanthus floridus), has yellow flowers, and is sweet-scented.
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http://www.probertencyclopaedia.com/browse/BC.HTM

[
n] - a magnoliid dicot genus of the family Calycanthaceae including: allspice
Found on
http://www.webdictionary.co.uk/definition.php?query=Calycanthus
genus Calycanthus noun a magnoliid dicot genus of the family Calycanthaceae including: allspice
Found on
https://www.encyclo.co.uk/local/20974
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