Eastern Sweetshrub (Calycanthus floridus)

Plantae>Magnoliophyta>Magnoliopsida>Laurales>Calycanthaceae>Calycanthus floridus L.

Sweetshrub, Sweet Betsy (Calycanthus floridus) flower

Commonly called Sweet Betsy, this is an uncommon shrub with distinctive, fragrant flowers (produced from mid-April to mid-May), spicy-smelling (when crushed) leaves, and oddly-shaped fruit. Another common name heard in some parts of the state is Sweet Bubby.

McDowell Co., NC 4/16/2011.

Sweetshrub, Sweet Betsy (Calycanthus floridus) leaf

There are two varieties in NC, var. floridus (with pubescent leaf undersides, petioles, and twigs) and var. glaucus (Willdenow) Torrey & A. Gray (glabrous or sparsely pubescent). The photo at left shows an example of var. glaucus from the western Piedmont. In NC, var. glaucus is much more common, generally occuring at higher elevations and further north/west than var. floridus.

McDowell Co., NC 4/16/2011.

Sweetshrub, Sweet Betsy (Calycanthus floridus) flower

Flower of var. glaucus.

Clay Co., NC 5/19/07.

Flower of var. glaucus.

Haywood Co. NC 5/9/08.

Leaf undersides of var. glaucus. Leaves are not always glaucous beneath.

Haywood Co. NC 5/9/08.

Branch of var. glaucus.

Haywood Co. NC 5/9/08.

Sweetshrub, Sweet Betsy (Calycanthus floridus)

Haywood Co., NC 6/13/2009.

Sweetshrub, Sweet Betsy (Calycanthus floridus)

Haywood Co., NC 6/13/2009.

Sweetshrub, Sweet Betsy (Calycanthus floridus) fruit

Ripening fruit.

Planted specimen, Chapel Hill, NC 5/25/2009.

Sweetshrub, Sweet Betsy (Calycanthus floridus)

Sweet Betsy is most common in the southwestern third of North Carolina, rare in the Coastal Plain.

A wild var. glaucus with a very whitish leaf underside.

Clay Co., NC 5/14/05.

Sweetshrub, Sweet Betsy (Calycanthus floridus)

Leaf undersides of var. glaucus.

Clay Co., NC 5/19/07.

Sweetshrub, Sweet Betsy (Calycanthus floridus)

Planted specimen, Chapel Hill, NC 4/13/02.

Sweetshrub, Sweet Betsy (Calycanthus floridus)

Planted specimen, Chapel Hill, NC 4/13/03.

Sweetshrub, Sweet Betsy (Calycanthus floridus) Athens

This mutant with yellow flowers is the cultivar Calycanthus floridus 'Athens'.

Planted specimen, Chapel Hill, NC 4/7/02.

Sweetshrub, Sweet Betsy (Calycanthus floridus)

Bizarrely-shaped hard seed pods are produced in summer. Wild plant of var. glaucus.

Guilford Co., NC 7/31/04.

Sweetshrub, Sweet Betsy (Calycanthus floridus)

A leftover seed pod of var. glaucus from last year, with flowers and a developing seed pod.

Clay Co., NC 5/22/05.

Sweetshrub, Sweet Betsy (Calycanthus floridus) bark

Bark detail.

Clay Co., NC 5/19/07.

More information:
Poisonous Plants of North Carolina
Trees of Alabama and the Southeast
University of Connecticut

Trees, Shrubs, and Woody Vines of North Carolina

cwcook@duke.edu

All photographs and text ©2012 by Will Cook unless otherwise indicated. All rights reserved.