Bombacoideae is a subfamily of the mallow family, Malvaceae. It contains herbaceous and woody plants. Their leaves are alternate, commonly palmately lobed, with small and caducous stipules. The flowers are hermaphroditic and actinomorphic; the calyx has 5 sepals united at the base, which are not accompanied by an epicalyx (involucel). The corolla has 5 free petals and an androecium of numerous stamens, typically with free filaments which are not fused in a staminal tube (column). The pollen is smooth and the ovary superior and pluricarpellate. The fruits are schizocarpous or capsular.

Genera

• Adansonia L. - baobabs

• Aguiaria Ducke

• Bernoullia Oliv.

• Bombax L.

• Camptostemon Mast.

• Catostemma Benth.

• Cavanillesia Ruiz & Pav.

• Ceiba Mill.

• Chiranthodendron Larreat.

• Eriotheca Schott & Endl.

• Fremontodendron Coville

• Gyranthera Pittier

• Huberodendron Ducke

• Lagunaria (DC.) Rchb.

• Matisia Humb. & Bonpl.

• Neobuchia Urb.

• Ochroma Sw.

• Pachira Aubl.

• Patinoa Cuatrec.

• Pentaplaris L.O.Williams & Standl.

• Phragmotheca Cuatrec.

• Pseudobombax Dugand

• Quararibea Aubl.

• Rhodognaphalon (Ulbr.) Roberty

• Scleronema Benth.

• Septotheca Ulbr.

• Spirotheca Ulbr.

• Uladendron Marc.-Berti

Classification

Some taxa in this subfamily were previously grouped under the now-obsolete family Bombacaceae, as recent phylogenetic research has shown that Bombacaceae as traditionally circumscribed (including tribe Durioneae) is not a monophyletic group. Camptostemon, Lagunaria, Pentaplaris and Uladendron might more appropriately be placed in Malvoideae, as might the tribe Matisieae (Matisia, Phragmotheca and Quararibea).

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