Children (112 direct children, 131 direct and indirect children):
Rubia tinctorum
Dyer's madder
Rubia peregrina
(tree size 5)
Rubia cordifolia
(tree size 3)
Indian madder
Rubia fruticosa
(tree size 3)
Rubia agostinhoi
Rubia argyi
(tree size 1)
Rubia akane
Rubia filiformis
Rubia chinensis
(tree size 2)
Rubia ovatifolia
(tree size 1)
Rubia crassipes
Rubia schugnanica
Rubia polyphlebia
Rubia wallichiana
Rubia schumanniana
Rubia siamensis
Rubia rezniczenkoana
Rubia magna
Rubia sylvatica
Shrubby madder
Rubia podantha
Rubia manjith
Rubia trichocarpa
Rubia deserticola
Rubia pallida
Rubia mandersii
Rubia salicifolia
Rubia oncotricha
Rubia tenuis
Rubia dolichophylla
Rubia linii
Rubia membranacea
Rubia pterygocaulis
Rubia falciformis
Rubia edgeworthii
Rubia chitralensis
Rubia truppeliana
Rubia latipetala
Rubia tibetica
Rubia haematantha
Rubia yunnanensis
Rubia discolor
Rubia alaica
Rubia komarovii
Rubia pauciflora
Rubia albicaulis
Rubia krascheninnikovii
Rubia pavlovii
Rubia angustisissima
Rubia laevissima
Rubia petiolaris
Rubia laurae
Rubia philippinensis
Rubia atropurpurea
Rubia sikkimensis
Rubia laxiflora
Rubia balearica
(tree size 1)
Rubia tatarica
Rubia florida
Rubia caramanica
Rubia tenuifolia
(tree size 2)
Rubia thunbergii
Rubia aitchisonii
Rubia garrettii
Rubia charifolia
Rubia rechingeri
Rubia gedrosiaca
Rubia regelii
Rubia hexaphylla
Six-leaf madder
Rubia transcaucasica
Rubia maymanensis
Rubia rigidifolia
Rubia clematidifolia
Rubia himalayensis
Rubia rotundifolia
Rubia hispidicaulis
Rubia oppositifolia
Rubia horrida
Rubia infundibularis
Rubia cretacea
Rubia jesoensis
Rubia davisiana
Rubia danaensis
Rubia angustifolia
(tree size 1)
Rubia pianmaensis
Rubia akane
Rubia pseudogalium
Rubia alata
Rubia syrticola
Rubia equisetoides
Rubia noxia
Rubia richardiana
Rubia sellowiana
Rubia vilis
Rubia conotricha
Rubia brachypoda
Rubia doniettii
Rubia laevis
Rubia hangii
Rubia esquirolii
Rubia longipetiolata
Rubia chilensis
Rubia urceolata
Rubia occidens
Rubia caespitosa
Rubia austrozhejiangensis
Rubia requienii
Rubia guadalupensis
Rubia braunii
Rubia longifolia
Rubia olivieri
Rubia ruwenzoriensis
Rubia argyi ex
Rubia lanceolata