Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Viridiplantae (Chlorobiota)
Streptophyta (Streptophytina)
Embryophyte (Land plants)
Tracheophyta (Higher plants)
Euphyllophytina (Euphyllophyta)
Radiatopses
Lignophyta
Seed plants (Phanerogams)
Angiosperms (Flowering plants)
Mesangiosperms (Core angiosperms)
Eudicots (Eudicotidae)
Core eudicots
Superrosids
Rosids (Rosiden)
Eurosids ii (Malvids (in apg iii))
Myrtales
Lythrineae
Onagraceae (Willowherb family)

Onagroideae (15136153)

Children (7 direct children, 954 direct and indirect children):

Oenothera (tree size 582)
Evening primrose

Epilobieae (tree size 5)

Onagreae (tree size 338)

Circaeeae (tree size 18)

Hauyeae

Gongylocarpeae (tree size 1)

Lopezieae (tree size 3)