Children (141 direct children, 205 direct and indirect children):
Echium sabulicola
(tree size 4)
Sand viper's gloss
Echium creticum
(tree size 5)
Cretan viper's bugloss
Echium gentianoides
Echium rosulatum
(tree size 2)
Echium vulgare
(tree size 2)
Vipers bugloss
Echium plantagineum
Paterson's curse
Echium wildpretii
(tree size 2)
Echium pininana
Pine echium
Echium parviflorum
Echium lusitanicum
(tree size 1)
Violet-vein viper's bugloss
Echium brevirame
Echium boissieri
Echium humile
(tree size 5)
Echium vulcanorum
Echium italicum
(tree size 10)
Italian viper's bugloss
Echium virescens
Echium aculeatum
(tree size 1)
Echium webbii
Echium candicans
Pride of madeira
Echium giganteum
Echium salmanticum
Echium hypertropicum
Echium stenosiphon
(tree size 3)
Echium simplex
Echium amoenum
Echium albicans
(tree size 2)
Echium tuberculatum
Echium lancerottense
(tree size 1)
Echium acanthocarpum
Echium arenarium
Echium asperrimum
Echium auberianum
Echium callithyrsum
Echium decaisnei
(tree size 2)
Echium flavum
(tree size 2)
Echium gaditanum
Echium leucophaeum
Echium onosmifolium
(tree size 2)
Echium strictum
(tree size 3)
Echium judaeum
Echium nervosum
Echium angustifolium
(tree size 6)
Echium hierrense
Echium anchusoides
Echium bonnetii
(tree size 2)
Echium bethencourtii
Echium biebersteinii
Echium lemsii
Echium khuzistanicum
Echium rubrum
Echium rubrum forssk.
Echium longifolium
Echium canum
Echium modestum
Echium spurium
Echium orientale
Echium suffruticosum
Echium pabotii
Echium sventenii
Echium glomeratum
Echium petiolatum
Echium taibiquense
Echium handiense
Echium tenue
(tree size 1)
Echium pitardii
(tree size 1)
Echium thyrsiflorum
Echium horridum
Echium triste
(tree size 3)
Echium rauwolfii
Echium velutinum
(tree size 3)
Echium portosanctense
Echium popovii
Echium lidii
Echium hypertrophicum
Echium bramwellii
Echium bond-spraguei
Echium maculatum
Echium cantabricum
Echium marianum
Echium pavonianum
Echium sect. auberana
Echium sect. decaisnea
Echium sect. echium
Echium sect. gentianoidea
Echium sect. gigantea
Echium sect. pachylepis
Echium sect. simplicia
Echium sect. stricta
Echium fruticosum
Echium menziesii
Echium benthamii
Echium expansum
Echium sericeum
Echium fuerteventurae
Echium coincyanum
Echium pycnanthum
(tree size 1)
Echium albereanum
Echium decipiens
Echium exasperatum
Echium versicolor
Echium argentae
Echium asturicum
Echium pustulatum
Echium capitatum
Echium laevigatum
Echium lucidum
Echium regulariflorum
Echium saetabense
Echium valentinum
Echium perezii
Echium russicum
Echium petraeum
Echium foliosum
Echium trygorrhizum
Echium diffusum
Echium tenoreanum
Echium lycopsis
Echium calycinum
Echium montenielluense
Echium fastuosum
Echium bourgaeanum
Echium granatense
Echium aequale
Echium alonsoi
Echium ambiguum
Echium barrattei
Echium bifrons
Echium confusum
Echium dumosum
Echium latifolium
Echium laurentii
Echium macrophyllum
Echium maderense
Echium maroccanum
Echium onosmoides
Echium philothei
Echium pomponium
Echium pulchrum
Echium scaettae
Echium splendens
Echium clandestinum
Echium × scilloniense