Children (12 direct children, 847 direct and indirect children):
Echium
(tree size 205)
Viper's bugloss
Alkanna
(tree size 85)
Onosma
(tree size 340)
Lithospermum
(tree size 152)
Stoneseed
Lithodora
(tree size 18)
Aegonychon
(tree size 7)
Mairetis
(tree size 1)
Huynhia
(tree size 2)
Macromeria
(tree size 14)
Giant-trumpets
Moltkiopsis
(tree size 1)
Macrotomia
(tree size 3)
Vaupelia
(tree size 7)