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
Superasterids (Superastrids)
Asterids (Asteriden)
Lamiids (Euasterids i)
Gentianales
Apocynaceae
Asclepiadoideae
Ceropegieae
Stapeliinae (Stapelieae)
Ophionella
Ophionella arcuata (18077401)
Children (2 direct children, 2 direct and indirect children):
Ophionella arcuata subsp. mirkinii
Ophionella arcuata subsp. arcuata