|Full name||Tradescantia (Andersoniana Group) ‘Regal Charm’.|
|Name status||Accepted, the valid name for a unique cultivar.|
Established with a description by Egger (2012).
|Origins||Origins documented by Egger (2012). Seedling from a planned cross between seed parent Tradescantia (Andersoniana Group) ‘Sunshine Charm’ and unnamed pollen parent 28-2. Created and named by Janet Egger in Wilsonville, Oregon, USA. Introduced by Terra Nova Nurseries in Canby, Orgeon, USA.|
|Classification||Like other hardy garden hybrids, it is now placed in the Andersoniana Group. These hybrids are sometimes mislabelled as Tradescantia virginiana or the invalid botanical hybrid Tradescantia × andersoniana.|
|Legal protection||Patented in the USA (Egger, 2012).|
|Availability||Available from a small number of nurseries in the USA, rare elsewhere.|
Described by Egger (2012), with reference to the RHS Colour Chart (5th edition).
|Cultivar group||Tradescantia Andersoniana Group.|
|Growth habit||Upright clumping, vigorous. 28cm high x 55cm spread.|
|Foliage||Stem internodes are 3-11cm long, 8mm wide, hairless, light yellow green (145B) and streaked with dark greyish red (N186C).|
Leaves are about 41cm long and 17mm wide, hairless except for the margins near the base. Colour ranges from brilliant yellow (13B) to strong yellow green (144C), sheath veins are dark greyish red (N186C).
|Flowers||Flower stalks are 20mm long and 1.2mm wide, hairless, greyish purplish red (N77B).|
Buds are 12mm long and 7mm wide, hairy, strong yellow green (145A).
Sepals are 10mm long and 6mm wide, hairy outside and smooth inside. Surfaces are strong yellow green (144A) and margins are dark red (187B).
Flowers are 38mm across, petals sometimes notched along the top. On the inside, petals are storng purple (N87A) and lighter towards the base (N87B). On the outisde, petals are brilliant purple (N87C) and darker at the edges (N87A).
Stamen filaments and style are moderate violet (86A). Anthers are vivid yellow (13A). Stigma is yellowish white (NN155A).
|Comparisons||Deeper violet flowers than Tradescantia (Andersoniana Group) ‘Sunshine Charm’. Deeper violet flowers and a more compact habit than Tradecantia (Andersoniana Group) ‘Sweet Kate’.|
Egger, J. N. (2012, December 11). Tradescantia plant named ‘Regal Charm’ [US plant patent PP23,251 P2]. United States Patent and Trademark Office. Internet Archive link.
Brickell, C. D., Alexander, C., Cubey, J. J., David, J. C., Hoffman, M. H. A., Leslie, A. C., Malécot, V., Jin, X. (2016). International Code of Nomenclature for Cultivated Plants. PDF link.