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.
Spanish is the official language of Guatemala. There are twenty-one Mayan languages spoken in Guatemala, the principal ones being QuichÃ©, Cakchiquel, KekchÃ­, and Mam. Carib is spoken along the Caribbean coast by the Garifunas, or Black Caribs, the descendants of fugitive slaves and Carib Indians.