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)
Lamiales
Lamiineae
Acanthaceae (Acanthus family)
Acanthoideae
Ruellieae
Ruelliinae

Petalidium (10348914)

Children (48 direct children, 50 direct and indirect children):

Petalidium coccineum

Petalidium currorii

Petalidium glandulosum

Petalidium gossweileri

Petalidium halimoides

Petalidium huillense

Petalidium lepidagathis

Petalidium linifolium

Petalidium rautanenii

Petalidium rupestre

Petalidium barlerioides

Petalidium spiniferum (tree size 1)

Petalidium cirrhiferum

Petalidium tomentosum

Petalidium welwitschii

Petalidium physaloides

Petalidium variabile

Petalidium setosum

Petalidium rossmannianum

Petalidium ramulosum

Petalidium pilosibracteolatum

Petalidium parvifolium

Petalidium ohopohense

Petalidium oblongifolium

Petalidium microtrichum

Petalidium luteoalbum

Petalidium lucens

Petalidium lanatum

Petalidium giessii

Petalidium englerianum

Petalidium elatum

Petalidium cymbiforme

Petalidium crispum

Petalidium canescens

Petalidium bracteatum

Petalidium aromaticum (tree size 1)

Petalidium angustitubum

Petalidium subcrispum

Petalidium latifolium

Petalidium loranthifolium

Petalidium ovatum

Petalidium kaokoense

Petalidium damarense

Petalidium glutinosum

Petalidium patulum

Petalidium otaviense

Petalidium hirsutum

Petalidium eenii