Medicinal and aromatic plants – industrial profiles

L. dentata
L. var. 
dentata
(
L. santolinaefolia
Spach)
An aromatic woody shrub, 50–100 cm, with an indumentum variable in density giving plants 
a green to grey-green appearance. Flower spike 3–6 cm, the coma consisting of enlarged sterile
floral bracts, rhombic in shape, violet-blue in colour, grading down to fully fertile non-modified
bracts (Figure 2.9). Corolla principally shades of violet-blue to mauve. Variants with pink or 
rose flowers and bracts should be treated as forma 
rosea
Maire, those with white flowers forma
albiflora
Maire.
A number of cultivars have been selected including ‘Royal Crown’ – to 75 cm green foliage
and pale violet-blue flowers, ‘Linda Ligon’ – to 60 cm variegated foliage selected in the United
States, ‘Ploughmans Blue’ – to 75 cm green foliage and pale violet-blue flowers selected in 
New Zealand.
var. 
candicans
Batt. (silver form) – is easily distinguished by almost all parts being white
tomentose. Occurs as distinct populations throughout the range of var. 
dentata
.