Two cultivars of the filbert tree or shrub, the purple-leaved filbert (Corylus maxima Purpurea) and the purple-leaf European filbert (Corylus avellana Fusco-Rubra), produce purple leaves and work well in landscapes as screens or hedges.
Cambodia (7.5 million). The national language is Khmer, spoken by about 85 percent of the population. It is co-official with French, which has perhaps 500,000 speakers. Chinese and Vietnamese are each spoken by about 400,000 people. Among tribal languages, Cham is the most important, with about 100,000 speakers.
The official language of Bangladesh is Modern Standard Bengali (Literary Bengali). It serves as the lingua franca of the nation, with 98% of Bangladeshis fluent in Standard Bengali or Bengali dialects as their first language. Chittagonian: spoken in the city of Chittagong and in much of the southeast of the country, it is often considered to be a dialect of Bengali, but both languages are mutually unintelligible to each other. 2  Hajong: originally a Tibeto-Burman language that has shifted over time to an Indic language.