Leptosiphonium
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Acanthaceae
Subfamily:	Acanthoideae
Genus:	Leptosiphonium F.Muell. (1886)
Species[1]
10; see text

Leptosiphonium is a genus of flowering plants in the family Acanthaceae. It includes ten species native to New Guinea and the Solomon Islands.^[1]

Ten species are accepted:^[1]

• Leptosiphonium aruense (S.Moore) Bremek. & Nann.-Bremek.
• Leptosiphonium forbesii (S.Moore) Bremek. & Nann.-Bremek.
• Leptosiphonium garckeanum (K.Schum.) Bremek. & Nann.-Bremek.
• Leptosiphonium gloeocalyx (K.Schum.) Bremek. & Nann.-Bremek.
• Leptosiphonium guppyi (Hemsl.) Bremek. & Nann.-Bremek.
• Leptosiphonium papuanum (S.Moore) Bremek. & Nann.-Bremek.
• Leptosiphonium potamoxenos (K.Schum.) Bremek. & Nann.-Bremek.
• Leptosiphonium stricklandii F.Muell.
• Leptosiphonium versicolor (S.Moore) Bremek. & Nann.-Bremek.
• Leptosiphonium vestitum (Engl.) Bremek. & Nann.-Bremek.