Knoxieae

Knoxieae is a tribe of flowering plants in the family Rubiaceae and contains about 131 species in 16 genera. Its representatives are found in Tropical and Southern Africa, the islands in the Western Indian Ocean, the Arabian Peninsula, Tropical and Subtropical Asia, and Northern Australia.^[1]

Knoxieae
Pentas sp.
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Rubiaceae
Subfamily:	Rubioideae
Tribe:	Knoxieae Hook.f.
Type genus
Knoxia L.
Synonyms
Knoxiinae K.Schum. Knoxioideae Luerss.

Genera

Currently accepted names^[1][2][3][4]

• Batopedina Verdc. (3 sp)
• Carphalea Juss. (3 sp)
• Chamaepentas Bremek. (6 sp)
• Dirichletia Klotzsch (5 sp)
• Dolichopentas Kårehed & B.Bremer (4 sp)
• Knoxia L. (13 sp)
• Otiophora Zucc. (18 sp)
• Otomeria Benth. (8 sp)
• Paracarphalea Razafimandimbison, Ferm, B.Bremer & Kårehed (3 sp)
• Paraknoxia Bremek. (1 sp)
• Parapentas Bremek. (3 sp)
• Pentanisia Harv. (19 sp)
• Pentas Benth. (16 sp)
• Phyllopentas (Verdc.) Kårehed & B.Bremer (14 sp)
• Rhodopentas Kårehed & B.Bremer (2 sp)
• Triainolepis Hook.f. (13 sp)

Synonyms

• Afroknoxia Verdc. = Knoxia
• Baumannia K.Schum. = Knoxia
• Calanda K.Schum. = Pentanisia
• Chlorochorion Puff & Robbr. = Pentanisia
• Cuncea Buch.-Ham. ex D.Don = Knoxia
• Dentillaria Kuntze = Knoxia
• Diotocarpus Hochst. = Pentanisia
• Holocarpa Baker = Pentanisia
• Mericocalyx Bamps = Otiophora
• Neobaumannia Hutch. & Dalziel = Knoxia
• Neopentanisia Verdc. = Pentanisia
• Neurocarpaea R.Br. ex Hiern = Pentas
• Neurocarpaea R.Br. = Pentas
• Orthostemma Wall. ex Voigt = Pentas
• Otocephalus Chiov. = Pentanisia
• Paratriaina Bremek. = Triainolepis
• Pentacarpaea Hiern = Pentanisia
• Pentacarpus Post & Kuntze = Pentanisia
• Placopoda Balf.f. = Dirichletia
• Princea Dubard & Dop = Triainolepis
• Tapinopentas Bremek. = Otomeria
• Thyridocalyx Bremek. = Triainolepis
• Vignaldia A.Rich. = Pentas
• Vissadali Adans. = Knoxia

References

1. "World Checklist of Rubiaceae". Retrieved 20 April 2016.
2. Robbrecht E, Manen J-F (2006). "The major evolutionary lineages of the coffee family (Rubiaceae, angiosperms). Combined analysis (nDNA and cpDNA) to infer the position of Coptosapelta and Luculia, and supertree construction based on rbcL, rps16, trnL-trnF and atpB-rbcL data. A new classification in two subfamilies, Cinchonoideae and Rubioideae". Systematic Geography of Plants. 76: 85–146.
3. Bremer B (2009). "A review of molecular phylogenetic studies of Rubiaceae". Annals of the Missouri Botanical Garden. 96: 4–26. doi:10.3417/2006197. S2CID 53378010.
4. Bremer B, Eriksson E (2009). "Time tree of Rubiaceae: phylogeny and dating the family, subfamilies, and tribes". International Journal of Plant Sciences. 170 (6): 766–793. doi:10.1086/599077. S2CID 49332892.