Plants

Six-leaf madder

Rubia hexaphylla

Rubia hispidicaulis

Rubia horrida

Rubia indica

Rubia infundibularis

Four-leaf madder

Rubia jesoensis

Rubia komarovii

Rubia krascheninnikovii

Rubia laevissima

Cyprus Madder

Rubia laurae

Rubia mandersii

Rubia manjith

Rubia maymanensis

Rubia micans

Rubia munjith

Rubia occidens

Rubia oncotricha

Rubia oppositifolia

Rubia orinocensis

Rubia ovatifolia

Rubia pallida

Rubia pauciflora

Rubia pavlovii

Wild Madder

Rubia peregrina

Rubia petiolaris

Rubia philippinensis

Rubia podantha

Rubia polyphlebia

Rubia pterygocaulis

Rubia rechingerae

Rubia rechingeri

Rubia regelii

Rinorea dionysiana

Rinorea diversifolia

Rinorea djalonensis

Bearded White Violetbush

Rinorea domatiosa