Byttnerioideae

Byttnerioideae is a subfamily of the flowering plant family Malvaceae.^[1]

Byttnerioideae
Cupuaçu (Theobroma grandiflorum)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malvales
Family:	Malvaceae
Subfamily:	Byttnerioideae Burnett
Tribes[1]
Byttnerieae Hermannieae Lasiopetaleae Theobromateae

Byttneria is the type genus for the subfamily. Byttneria is now treated as synonym of Ayenia.^[2]

Tribes and genera

Four tribes are recognised by the Germplasm Resources Information Network:

Byttnerieae

• Abroma Jacq.^[3]
• Ayenia L.
• Byttneria Loefl. (synonym of Ayenia)
• Kleinhovia L.
• Leptonychia Turcz.
• Megatritheca Cristóbal
• Rayleya Cristóbal (synonym of Ayenia)
• Scaphopetalum Mast.

Hermannieae

• Dicarpidium F.Muell.^[4]
• Gilesia F.Muell.
• Hermannia L.
• Melochia L.
• Waltheria L.

Lasiopetaleae

• Commersonia J.R.Forst. & G.Forst.^[5]
• Guichenotia J.Gay
• Hannafordia F.Muell.
• Keraudrenia J.Gay (synonym of Seringia)
• Lasiopetalum Sm.
• Lysiosepalum F.Muell.
• Maxwellia Baill.
• Rulingia R.Br.
• Seringia J.Gay
• Thomasia J.Gay

Theobromateae

• Glossostemon Desf.^[6]
• Guazuma Mill.
• Herrania Goudot
• Theobroma L.