Children (31 direct children, 36 direct and indirect children):
Petrea volubilis
(tree size 1)
Queen's-wreath
Petrea blanchetiana
Petrea bracteata
Petrea brevicalyx
Petrea campinae
Petrea guianensis
Petrea insignis
Petrea macrostachya
Petrea maynensis
Petrea pubescens
(tree size 1)
Petrea racemosa
Petrea rugosa
Petrea sulphurea
Petrea glandulosa
Petrea arborea
(tree size 1)
Petrea serrata
Petrea aspera
Petrea kohautiana
(tree size 1)
Petrea amazonica
Petrea andrei
Petrea arborescens
Petrea colombiana
Petrea longifolia
Petrea nitidula
Petrea peruviana
(tree size 1)
Petrea riparia
Petrea rivularis
Petrea scaberrima
Petrea swallenii
Petrea multiflora
Petrea xolocotzia