Ключевые слова: agriculture, areca, areca nut, areca palm, areca tree, asia, bark, betel, betel nut tree, botany, branches, bunch, calcium, catechu, chewing, crop, culture, eat, fruit, garden, green, group, gum, herb, horticulture, ingredient, leaf, medicine, narcotic, natural, nature, nut, organic, oriental, palm, piper, plant, produce, raw, red, ripe, seed, segment, sheaf, singapore, sky, traditional, tropical, tropical plant, trunk,