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
Superasterids (Superastrids)
Asterids (Asteriden)
Lamiids (Euasterids i)
Gentianales
Apocynaceae
Asclepiadoideae
Asclepiadeae
Tylophorinae

Pycnostelma (87173272)

Children (2 direct children, 2 direct and indirect children):

Pycnostelma chinensis

Pycnostelma leucanthum