
(from the article `Malvales`) ...Malvaceae, containing about 3,000–3,500 species in total, constitute the core of the order. Sometimes the Elaeocarpaceae are included in the ...
Found on
http://www.britannica.com/eb/a-z/b/137

Byttneriaceae is a natural order of plants allied to the mallows. Almost all the species contain a fatty oil in their seeds, and have a fibrous bast. The typical genus is Byttneria, from which the order is named, but by far the most important is Theobroma to which the tree yielding cocoa (cacao) belongs.
Found on
http://www.probertencyclopaedia.com/browse/BBA.HTM
No exact match found.