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Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Styracaceae
Genus: Changiostyrax
C. dolichocarpa
Binomial name
Changiostyrax dolichocarpa
(C.J.Qi) C.T.Chen

Changiostyrax is a monotypic genus of flowering plant in the family Styracaceae. Its only member species is Changiostyrax dolichocarpa, formerly known as Sinojackia dolichocarpa.[1]

It is endemic to central China in Hunan province, where it occurs at altitudes of 400–500 m. It is threatened by habitat loss.[2][3] An exhaustive survey of its range during the decade from 1995 to 2005 revealed only six extant populations, one of which has since been destroyed.[4]

It is a small deciduous tree growing to 10–12 m tall. The leaves are alternate, simple, 8–13 cm long and 3.5–4.8 cm broad, oblong-lanceolate, with a serrated margin and a 4–7 mm petiole.[2]


  1. ^ Chen CT. 1995. Changiostyrax, a new genus of Styracaceae from china. Guijaia 15: 289-292.
  2. ^ a b Flora of China: Sinojackia dolichocarpa
  3. ^ World Conservation Monitoring Centre 1998: Sinojackia dolichocarpa
  4. ^ Yao X., Qigang Y., Kang M. and H. Huang. 2007. Microsatellite analysis reveals interpopulation differentiation and gene flow in the endangered tree Changiostyrax dolichocarpa (Styracaceae) with fragmented distribution in central China. New Phytologist 176: 472-480.