Fig. 18. Horsfieldia hirtiflora W. J. de Wilde, a. Leafy twig with immature male inflorescence; note lined twig, dispersed leaves, and bracts present in inflorescence; b. submature male flower, lateral view; c. ditto, opened, showing androecium; d. immature androecium, longitudinal section, schematic; e. twig with infructescence, fruit mature [a-d: Rahmat si Boeea 9257; e: Kostermans 22048]. — Scale bar for a, e = 2 cm; for b-d = 0.85 mm.