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Big Island Invasive Species Committee SMOKEBUSH Early Detection Target Forest and Kim Starr Buddleja madagascariensis Flowers: Fragrant flowers forming slender clusters 10" long, orange, deep yellow to pink Description: Sparse vine-like shrub up to 25' high with sprawling habit Butterflybush Sagewood Leaves: Dark green, alternate, with strong venation, white and hairy on bottom, up to 4" long Forest and Kim Starr Forest and Kim Starr Forest and Kim Starr Don’t confuse with these look alikes: Fruit: 1/4" white to purple berries SHRUB BIISC BIISC Present BIISC If found call 961-3299 SMOKEBUSH Buddleja madagascariensis Family: Buddlejaceae Origin: Madagascar HWRA Score: 21 Big Island Habitat: Naturalized in mesic to humid forests. Description: A fast growing, weedy, vine-like shrub from 6'-25' high, with spikes of small, tubular, orange to yellow flowers. Impacts: Smokebush has naturalized in wet and mesic areas of the Big Island, where it may form dense, impenetrable thickets. It is uncommonly found from sea level to 4,000 feet elevation. White powder that grows along the stem can cause allergic respiratory reactions when disturbed. Dispersal Mechanism: The succulent purple berries are readily eaten and dispersed by birds. Smokebush also spreads easily by discarded stems and branches. Cultivation: Smokebush was sparingly cultivated across the Big Island and has spread from plantings and naturalized in Waimea. This aggressive, invasive plant should no longer be cultivated in Hawai'i. SHRUB Don’t confuse with: • Butterflybush (Buddleja davidii) This compact, ornamental bush produces dense purple, pink or white flower spikes. • Sagewood (Buddleja salviifolia) This ornamental shrub produces hairy, puckered, sage-like leaves and masses of white to lilac flowers.
