Hamamelidaceae

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Hamamelidaceae
Flowers of Fothergilla major (Witch alder)
Scientific classification
Kingdom:	Plantae
Division:	Magnoliophyta
Class:	Magnoliopsida
Order:	Saxifragales
Family:	Hamamelidaceae R. Brown
Genera
See text.

The Hamamelidaceae is a family of flowering plants in the order Saxifragales, including 27 genera and about 80-90 species, all shrubs and small trees. In older classifications such as the Cronquist system, the family was treated in a separate order Hamamelidales.

Genera

• Chunia (1 species; Hainan)
• Corylopsis (Winter-hazel; about 30 species; east Asia)
• Dicoryphe
• Disanthus (1 species; east Asia)
• Distyliopsis
• Distylium (about 10 species; east Asia, Himalayas)
• Embolanthera
• Eustigma
• Exbucklandia (3 species; Assam, China, southeast Asia)
• Fortunearia (1 species; eastern China)
• Fothergilla (Fothergilla; 3 species; southeastern U.S.)
• Hamamelis (Witch-hazel; 4 species; eastern North America, east Asia)
• †Langeria (Wolfe) & Wehr) Eocene 1 species
• Loropetalum (2 species; east Asia)
• Maingaya
• Matudaea
• Molinadendron
• Mytilaria
• Neostrearia
• Noahdendron
• Ostrearia
• Parrotia (Persian Ironwood; 1 species; Alborz Mountains of southwest Asia)
• Parrotiopsis (1 species; Himalaya)
• Rhodoleia (about 7 species; southeast Asia)
• Sinowilsonia (1 species; western China)
• Sycopsis (about 7 species; southeast Asia)
• Tetrathyrium
• Trichocladus

Some authors treat Rhodoleia in a family of its own, the Rhodoleiaceae, though genetic research by the Angiosperm Phylogeny Group shows it is best included in the Hamamelidaceae.

The genera Altingia, Liquidambar (sweetgum) and Semiliquidambar, previously included in the Hamamelidaceae, are now treated in the family Altingiaceae. ^[1]

References

1. ^ Stefanie M. Ickert-Bond, Kathleen B. Pigg and Jun Wen (2005). "Comparative infructescence morphology in Liquidambar (Altingiaceae) and its evolutionary significance". American Journal of Botany 92: 1234–1255. doi:10.3732/ajb.92.8.1234. http://www.amjbot.org/cgi/content/full/92/8/1234. 

External links

• Hamamelidaceae in L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants.

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