Tilioideae is a botanical name

Botanical name

A botanical name is a formal scientific name conforming to the International Code of Botanical Nomenclature and, if it concerns a plant cultigen, the additional cultivar and/or Group epithets must conform to the International Code of Nomenclature for Cultivated Plants...

 at the rank of subfamily. It was formerly considered a large group, placed at family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 rank and called Tiliaceae

Tiliaceae

Tiliaceae is a botanical name for a family of flowering plants. Such a family is not part of APG II, but it is found all through the botanical literature and remains prominently listed by nomenclatural databases such as IPNI....

.

Within the framework of the APG II system

APG II system

The APG II system of plant classification is the second, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Group. It was a revision of the first APG system, published in 1998, and was superseded in 2009...

, an extended family Malvaceae

Malvaceae

Malvaceae, or the mallow family, is a family of flowering plants containing over 200 genera with close to 2,300 species. Judd & al. Well known members of this family include okra, jute and cacao...

 is recognized. This is formed by uniting the core Malvales

Malvales

Malvales are an order of flowering plants. As circumscribed by APG II-system, it includes about 6000 species within nine families. The order is placed in the eurosids II, which are part of the eudicots....

 of the Cronquist system

Cronquist system

The Cronquist system is a taxonomic classification system of flowering plants. It was developed by Arthur Cronquist in his texts An Integrated System of Classification of Flowering Plants and The Evolution and Classification of Flowering Plants .Cronquist's system places flowering plants into two...

 - Bombacaceae

Bombacaceae

Bombacaceae is a family of flowering plants or Angiospermae included within Malvales order. As is true for any botanical name, circumscription and status of the taxon has varied with taxonomic point of view...

, Malvaceae

Malvaceae

Malvaceae, or the mallow family, is a family of flowering plants containing over 200 genera with close to 2,300 species. Judd & al. Well known members of this family include okra, jute and cacao...

 sensu stricto, Sterculiaceae

Sterculiaceae

Sterculiaceae is a botanical name for a group of flowering plants at the rank of family, which is now considered obsolete. As is true for any botanical name, the circumscription, status and placement of the taxon has varied with taxonomic point of view...

 and Tiliaceae. This Malvaceae sensu lato contains a clade

Clade

A clade is a group consisting of a species and all its descendants. In the terms of biological systematics, a clade is a single "branch" on the "tree of life". The idea that such a "natural group" of organisms should be grouped together and given a taxonomic name is central to biological...

 of only 2 or 3 living genera which include Tilia (linden, basswood), the clade consequently becoming the Tilioideae.

Apart from the namesake genus Tilia

Tilia

Tilia is a genus of about 30 species of trees native throughout most of the temperate Northern Hemisphere. The greatest species diversity is found in Asia, and the genus also occurs in Europe and eastern North America, but not western North America...

and Craigia

Craigia

Craigia is a genus of flowering plant in the Malvaceae sensu lato or Tiliaceae family.It contains the following species:* Craigia kwangsiensis* Craigia yunnanensis* †Craigia bronnii* †Craigia hainanensis* †Craigia oregonensis...

, according to the AP-Website the Tilioideae seem to contain also the genus Mortoniodendron. Most other genera of the "Tiliaceae" fall into two other subfamilies of Malvaceae, the Brownlowioideae

Brownlowioideae

Brownlowioideae is a subfamily of the botanical family Malvaceae. The genera in this subfamily used to be a part of the paraphyletic Tiliaceae until taxonomic revisions in part by the APG II system....

 and Grewioideae

Grewioideae

Grewioideae is a subfamily of the Malvaceae family.The group is named after its type genus, Grewia, which is named for the English scientist Nehemiah Grew .-External links:*http://species.wikimedia.org/wiki/Grewioideae...

.