''Centranthus calcitrapae'' is a species of annual herb in the family
Caprifoliaceae
The Caprifoliaceae or honeysuckle family is a clade of dicotyledonous flowering plants consisting of about 860 species, in 33, to 42 genera, with a nearly cosmopolitan distribution. Centres of diversity are found in eastern North America and ea ...
. Individuals can grow to 18 cm tall.
Sources
References
calcitrapae
Flora of Malta
{{Dipsacales-stub