Palavra-chave: BRAZILIAN ATLANTIC FOREST

HUMMINGBIRD POLLINATION CANOPY ATLANTIC RAINFOREST HIGH-ALTITUDE GRASSLANDS MICROENVIRONMENT DETERMINISM COMMUNITY VARIATION PARTITIONING PURPLE-ARÇA NECTAR STANDIG CROP NICHE-BASED PROCESSES ANTOCYANINS BIRD-POLLINATED FLOWERS NECTAR SECRETION PATTERN MICROTOPOGRAPHIC VARIATION NECTAR REMOVAL EFFECT