Keys at Flora of China
Xylosma controversa Clos (China (Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangsu, Jiangxi, Sichuan, ?Yunnan), peninsular Malaysia, Vietnam, Assam, India (West Bengal, Assam, Arunachal Pradesh, Tripura, Meghalaya) as per Catalogue of Life)
Xylosma longifolia Clos (China (Fujian, Guangdong, Guangxi, Guizhou, Hainan, Yunnan), Laos, Vietnam, Myanmar [Burma] (Mandalay, Sagaing), Jammu & Kashmir (Poonch, Kashmir, Jammu), India (Himachal Pradesh, Indian Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal, Arunachal Pradesh, Assam, Meghalaya, Manipur, Tripura, Orissa, Andhra Pradesh, Tamil Nadu), Pakistan (Murree, Pakistani Punjab), Pakistani Kashmir (Mirpur, Kotli), Thailand as per Catalogue of life)
Species with description & keys from Flora of Pakistan (Distribution):
Xylosma longifolium Clos (Moist ravines in the sub Himalayan zone, ascending to 1500 m from West Pakistan to the Eastern Himalaya in India)
Xylosma controversum Clos (1300-1700 m; Nepal, Assam, W. China)
Xylosma longifolium Clos (300-1000 m; Subtropical Himalaya (Kashmir to Nepal), Assam, east to W. China)
Some species found in India with description & keys from Flora of China
other than China]:
Xylosma congesta (Loureiro) Merrill [India (rare), Japan, Korea].
Xylosma controversa Clos [India, Malaysia, Nepal, Vietnam].
Xylosma longifolia Clos [India, Laos, Nepal, Thailand, Vietnam].