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India	Sri Lanka	Mainland Asia	Malaya	Sumatra	Borneo	Philippines	New Guinea
C. alba photo Bastmeijer C. beckettii photo Bastmeijer C. bogneri photo Bogner C. nevillii photo Bastmeijer C. parva photo Bastmeijer C. thwaitesii photo Bastmeijer C. undulata photo Bastmeijer C. walkeri photo Bastmeijer C. wendtii photo Bastmeijer C. x willisii photo Bastmeijer