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Phylohydrax Puff [Rubiaceae-Rubioideae-Spermacoceae]
2 trop. E Afr., Madag.
family
Rubiaceae
4 subfamilies
8320 species

Antirheoideae
Cinchonoideae
Ixoroideae
Rubioideae
subfamily
Rubioideae
16 tribes
4005 species

Anthospermeae
Argostemmateae
Coccocypseleae
Coussareeae
Hamelieae
Hedyotideae
Lathraeocarpeae
Morindeae
Ophiorrhizeae
Paederieae
Psychotrieae
Rubieae
Schradereae
Spermacoceae
Theligoneae
Triainolepideae
tribe
Spermacoceae
18 genera
367 species

Crusea13 SW N & C Am.[11]
Diacrodon1 Brazil[0]
Diodia25 trop. & subtrop. Am. & Afr.[14]
Emmeorhiza1 trop. S Am.[2]
Ernodea9 SE US, WI[7]
Gomphocalyx1 Madag.[1]
Hydrophylax1 coasts of India, Sri Lanka, Thailand[2]
Micrasepalum2 Cuba, Hispaniola[0]
Mitracarpus25 trop. Am.; 1 intr. OW tropics[10]
Nodocarpaea1 Cuba[0]
Phylohydrax2 trop. E Afr., Madag.[1]
Psyllocarpus8 Brazil[4]
Richardia15 trop. Am.; introd.[25]
Schwendenera1 SE Brazil[1]
Spermacoce250 subtrop. Am.[118]
Staelia10 N S Am.[2]
Tobagoa1 Panamá, Tobago, Venez.[1]
Tortuella1 Hispaniola [Isle Tortue][0]
     no thumbnail available (12)plantillustrations.org 192382
    Phylohydrax carnosa (Hochst.) Puff [as Hydrophylax carnosa (Hochst.) Sonder]
    J.M. Wood, M.S. Evans, Natal plants, vol. 6: t. 539 (1909-1912)